<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
  xmlns:xhtml="http://www.w3.org/1999/xhtml">
  <url>
    <loc>https://tools.data-viz-lectures.com/en/geo-data-merger/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/geo-data-merger/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/geo-data-merger/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/3d-surface-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/3d-surface-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/3d-surface-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/bar-chart-filter/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/bar-chart-filter/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/bar-chart-filter/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/how-to-use-data-viz/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/how-to-use-data-viz/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/how-to-use-data-viz/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/how-to-use-data-wrangling/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/how-to-use-data-wrangling/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/how-to-use-data-wrangling/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/choropleth-fukushima/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/choropleth-fukushima/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/choropleth-fukushima/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/drawing-line-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/drawing-line-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/drawing-line-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/mekko-chart-kokoku/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/mekko-chart-kokoku/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/mekko-chart-kokoku/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/parallel-coordinates-yogurt/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/parallel-coordinates-yogurt/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/parallel-coordinates-yogurt/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/geojson/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/geojson/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/geojson/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/gtfs-to-network/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/gtfs-to-network/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/gtfs-to-network/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/iwanthue/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/iwanthue/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/iwanthue/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/calendar-converter/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/calendar-converter/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/calendar-converter/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/jsoncrack/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/jsoncrack/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/jsoncrack/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/kepler-gl/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/kepler-gl/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/kepler-gl/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/leonardo/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/leonardo/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/leonardo/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/classic-mapbox-styles/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/classic-mapbox-styles/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/classic-mapbox-styles/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/mapshaper/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/mapshaper/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/mapshaper/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/open-refine/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/open-refine/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/open-refine/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/rawgraphs/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/rawgraphs/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/rawgraphs/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/sankeymatic/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/sankeymatic/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/sankeymatic/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/change-character-encoding/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/change-character-encoding/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/change-character-encoding/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/geojson-and-svg/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/geojson-and-svg/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/geojson-and-svg/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/tabula-pdf/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/tabula-pdf/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/tabula-pdf/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/text-entity/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/text-entity/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/text-entity/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/spiral-chart-temperature/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/spiral-chart-temperature/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/spiral-chart-temperature/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/easings/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/easings/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/easings/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/turf-buffer/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/turf-buffer/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/turf-buffer/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/address-to-latlon/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/address-to-latlon/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/address-to-latlon/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/what-the-tile/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/what-the-tile/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/what-the-tile/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/transform-coordinates/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/transform-coordinates/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/transform-coordinates/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/cartogram-japan/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/cartogram-japan/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/cartogram-japan/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/choropleth-japan/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/choropleth-japan/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/choropleth-japan/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/latlon-formatter/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/latlon-formatter/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/latlon-formatter/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/cartogram-prefectures/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/cartogram-prefectures/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/cartogram-prefectures/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/choropleth-prefectures/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/choropleth-prefectures/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/choropleth-prefectures/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/aozora-furigana/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/aozora-furigana/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/aozora-furigana/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/colorbrewer/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/colorbrewer/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/colorbrewer/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/cytoscape/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/cytoscape/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/cytoscape/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/tilegrams/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/tilegrams/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/tilegrams/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/svg-gradient/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/svg-gradient/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/svg-gradient/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/svg-texture/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/svg-texture/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/svg-texture/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/bbts/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/bbts/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/bbts/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/data-illustrator/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/data-illustrator/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/data-illustrator/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/gephi-lite/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/gephi-lite/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/gephi-lite/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/histogram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/histogram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/histogram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/parallel-coordinates/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/parallel-coordinates/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/parallel-coordinates/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/vega-editor/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/vega-editor/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/vega-editor/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/voyager2/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/voyager2/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/voyager2/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/word-cloud/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/word-cloud/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/word-cloud/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/box-andwhisker-plot/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/box-andwhisker-plot/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/box-andwhisker-plot/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/quickchart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/quickchart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/quickchart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/density-plot/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/density-plot/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/density-plot/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/violin-plot/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/violin-plot/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/violin-plot/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/ridgeline-plot/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/ridgeline-plot/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/ridgeline-plot/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/dot-plot/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/dot-plot/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/dot-plot/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/beeswarm-plot/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/beeswarm-plot/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/beeswarm-plot/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/strip-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/strip-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/strip-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/pie-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/pie-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/pie-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/mekko-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/mekko-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/mekko-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/waffle-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/waffle-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/waffle-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/stacked-densities/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/stacked-densities/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/stacked-densities/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/gauge-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/gauge-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/gauge-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/bar-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/bar-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/bar-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/stacked-bar-chart-numeric/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/stacked-bar-chart-numeric/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/stacked-bar-chart-numeric/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/grouped-bar-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/grouped-bar-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/grouped-bar-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/heatmap/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/heatmap/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/heatmap/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/bullet-graph/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/bullet-graph/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/bullet-graph/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/symbol-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/symbol-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/symbol-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/isotype-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/isotype-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/isotype-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/radar-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/radar-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/radar-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/polar-area-chart-numeric/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/polar-area-chart-numeric/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/polar-area-chart-numeric/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/parallel-coordinates/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/parallel-coordinates/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/parallel-coordinates/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/parallel-sets/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/parallel-sets/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/parallel-sets/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/scatterplot/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/scatterplot/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/scatterplot/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/bubble-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/bubble-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/bubble-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/scatterplot-matrix/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/scatterplot-matrix/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/scatterplot-matrix/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/correlogram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/correlogram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/correlogram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/word-crowd/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/word-crowd/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/word-crowd/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/word-bubbie/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/word-bubbie/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/word-bubbie/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/venn-diagram-euler-diagram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/venn-diagram-euler-diagram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/venn-diagram-euler-diagram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/stem-and-leaf-piot/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/stem-and-leaf-piot/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/stem-and-leaf-piot/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/typographic-scatterpiots/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/typographic-scatterpiots/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/typographic-scatterpiots/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/line-chart-with-river-labei/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/line-chart-with-river-labei/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/line-chart-with-river-labei/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/parallel-coordinates-with-river-label/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/parallel-coordinates-with-river-label/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/parallel-coordinates-with-river-label/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/typographic-graph/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/typographic-graph/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/typographic-graph/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/typographic-mekko-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/typographic-mekko-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/typographic-mekko-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/typographic-stacked-bar-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/typographic-stacked-bar-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/typographic-stacked-bar-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/text-skimming/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/text-skimming/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/text-skimming/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/spark-words/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/spark-words/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/spark-words/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/line-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/line-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/line-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/area-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/area-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/area-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/stream-graph/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/stream-graph/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/stream-graph/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/connected-scatterplot/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/connected-scatterplot/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/connected-scatterplot/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/diverging-bar-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/diverging-bar-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/diverging-bar-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/diverging-stacked-bar-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/diverging-stacked-bar-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/diverging-stacked-bar-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/candlestick-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/candlestick-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/candlestick-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/gantt-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/gantt-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/gantt-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/bump-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/bump-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/bump-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/timedistance-diagram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/timedistance-diagram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/timedistance-diagram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/calendar-heat-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/calendar-heat-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/calendar-heat-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/circular-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/circular-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/circular-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/polar-area-chart-time/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/polar-area-chart-time/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/polar-area-chart-time/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/spiral-chart/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/spiral-chart/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/spiral-chart/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/dot-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/dot-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/dot-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/dot-density-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/dot-density-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/dot-density-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/graduated-symbol-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/graduated-symbol-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/graduated-symbol-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/proportional-symbol-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/proportional-symbol-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/proportional-symbol-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/3d-bar-chart-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/3d-bar-chart-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/3d-bar-chart-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/graduated-flow-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/graduated-flow-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/graduated-flow-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/proportional-flow-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/proportional-flow-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/proportional-flow-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/choropleth-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/choropleth-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/choropleth-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/dasymetric-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/dasymetric-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/dasymetric-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/continuous-cartogram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/continuous-cartogram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/continuous-cartogram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/noncontinuous-cartogram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/noncontinuous-cartogram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/noncontinuous-cartogram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/pseudo-continuous-cartogram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/pseudo-continuous-cartogram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/pseudo-continuous-cartogram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/gridded-cartogram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/gridded-cartogram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/gridded-cartogram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/isolines-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/isolines-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/isolines-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/isopleths-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/isopleths-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/isopleths-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/chartmaps/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/chartmaps/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/chartmaps/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/vector-field-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/vector-field-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/vector-field-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/3d-choropleth-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/3d-choropleth-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/3d-choropleth-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/vertical-trees-horizontal-trees/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/vertical-trees-horizontal-trees/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/vertical-trees-horizontal-trees/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/radial-trees/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/radial-trees/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/radial-trees/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/icicle-plots/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/icicle-plots/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/icicle-plots/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/sunburst/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/sunburst/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/sunburst/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/treemaps/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/treemaps/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/treemaps/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/circle-packing/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/circle-packing/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/circle-packing/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/force-directed-diagram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/force-directed-diagram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/force-directed-diagram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/arc-diagram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/arc-diagram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/arc-diagram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/bio-fabric/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/bio-fabric/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/bio-fabric/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/circular-layout/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/circular-layout/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/circular-layout/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/chord-diagram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/chord-diagram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/chord-diagram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/geography-based-connection/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/geography-based-connection/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/geography-based-connection/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/alluvial-diagram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/alluvial-diagram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/alluvial-diagram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/sankey-diagram/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/sankey-diagram/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/sankey-diagram/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/adiacency-matrix/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/adiacency-matrix/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/adiacency-matrix/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/changelog/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/changelog/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/changelog/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/page/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/page/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/page/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/privacy/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/privacy/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/privacy/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/faq/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/faq/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/faq/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/license/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/license/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/license/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/transaction-law/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/transaction-law/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/transaction-law/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/terms/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/terms/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/terms/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/about/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/about/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/about/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/contact/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/contact/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/contact/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/pricing/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/pricing/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/pricing/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/post/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/post/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/post/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/categories/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/categories/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/categories/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/catalogue/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/catalogue/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/catalogue/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/categories/data-visualization/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/categories/data-visualization/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/categories/data-visualization/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/categories/data-visualization-color/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/categories/data-visualization-color/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/categories/data-visualization-color/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/categories/data-visualization-parts/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/categories/data-visualization-parts/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/categories/data-visualization-parts/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/categories/data-visualization-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/categories/data-visualization-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/categories/data-visualization-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/categories/data-wrangling/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/categories/data-wrangling/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/categories/data-wrangling/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/categories/data-wrangling-map/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/categories/data-wrangling-map/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/categories/data-wrangling-map/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/categories/how-to/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/categories/how-to/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/categories/how-to/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/search/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/search/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/search/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/categories/showcase/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/categories/showcase/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/categories/showcase/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/showcase/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/showcase/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/showcase/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/tags/</loc>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/tags/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/tags/"
                />
  </url><url>
    <loc>https://tools.data-viz-lectures.com/en/tools/</loc>
    <lastmod>2026-05-07T03:56:56+09:00</lastmod>
    <xhtml:link
                rel="alternate"
                hreflang="ja"
                href="https://tools.data-viz-lectures.com/tools/"
                />
    <xhtml:link
                rel="alternate"
                hreflang="en"
                href="https://tools.data-viz-lectures.com/en/tools/"
                />
  </url>
</urlset>
