Map Visualizations - SPARQLqueries

Default View Magic Comments

Wikidata Query Service supports special comments that change how results are displayed. Add #defaultView:Map as the first line to render on a map.

Comment	Description
`#defaultView:Map`	Display on interactive map
`#defaultView:Map{"markercluster": true}`	Cluster nearby markers
`#defaultView:Map{"hide": ["?coord"]}`	Hide coordinate column in popup

Basic Map Visualization

Simple Map with Labels

Run ↗

#defaultView:Map
SELECT ?place ?placeLabel ?coord
WHERE {
  ?place wdt:P31 wd:Q515 ;       # city
         wdt:P17 wd:Q142 ;        # France
         wdt:P1082 ?pop ;
         wdt:P625 ?coord .
  FILTER(?pop > 100000)

  SERVICE wikibase:label {
    bd:serviceParam wikibase:language "en,fr" .
  }
}

Geospatial View: Map | French cities over 100k

Maps with Custom Markers

Add images to map markers by including an ?image variable. The image will appear in the popup when you click the marker.

Museums with Images

Run ↗

#defaultView:Map
SELECT ?museum ?museumLabel ?coord ?image
WHERE {
  ?museum wdt:P31/wdt:P279* wd:Q33506 ;
          wdt:P17 wd:Q145 ;  # UK
          wdt:P625 ?coord .
  OPTIONAL { ?museum wdt:P18 ?image . }

  SERVICE wikibase:label {
    bd:serviceParam wikibase:language "en" .
  }
}
LIMIT 100

Geospatial Feature: Images in popups

Clustered Maps

World Heritage Sites with Clustering

Run ↗

#defaultView:Map{"markercluster": true}
SELECT ?site ?siteLabel ?coord ?country ?countryLabel
WHERE {
  ?site wdt:P1435 wd:Q9259 ;  # UNESCO site
        wdt:P625 ?coord ;
        wdt:P17 ?country .

  SERVICE wikibase:label {
    bd:serviceParam wikibase:language "en" .
  }
}

Geospatial Feature: Marker clustering for many points

Colored Markers by Layer

Add a ?layer variable to color-code markers by category. Each unique layer value gets a different color.

Infrastructure by Type

Run ↗

#defaultView:Map
SELECT ?item ?itemLabel ?coord ?typeLabel
       (?typeLabel AS ?layer)
WHERE {
  VALUES ?type {
    wd:Q928830   # metro station
    wd:Q55488    # railway station
    wd:Q1248784  # airport
  }
  ?item wdt:P31 ?type ;
        wdt:P131* wd:Q90 ;  # Paris
        wdt:P625 ?coord .

  SERVICE wikibase:label {
    bd:serviceParam wikibase:language "en,fr" .
  }
}

Geospatial Feature: Layer-based coloring

Map with Rich Popups

Programming Language Origins with Details

Run ↗

#defaultView:Map{"hide": ["?coord"]}
SELECT ?lang ?langLabel ?coord
       ?place ?placeLabel
       (YEAR(?inception) AS ?year)
       ?image
WHERE {
  ?lang wdt:P31 wd:Q9143 ;
        wdt:P571 ?inception ;
        wdt:P178 ?developer .
  ?developer wdt:P159 ?place .
  ?place wdt:P625 ?coord .
  OPTIONAL { ?lang wdt:P154 ?image . }

  SERVICE wikibase:label {
    bd:serviceParam wikibase:language "en" .
  }
}
LIMIT 100

Geospatial Domain: Programming | Rich popups with logos

Other Visualization Types

Beyond maps, Wikidata Query Service offers other visualizations for geographic data.

Comment	Use Case
`#defaultView:Globe`	3D globe view
`#defaultView:ImageGrid`	Grid of images
`#defaultView:BubbleChart`	Bubble chart (size by value)
`#defaultView:TreeMap`	Hierarchical treemap