GeoSPARQL

GeoSPARQL Query Interface

Developed and maintained by Marco Neumann. Based on work first published in "Spatially Navigating the Semantic Web" (VLDB 2003).

Vocabulary

?feature spatial:nearby(?lat ?lon ?radius [ ?unitsURI [ ?limit]])
?spatialObject1 spatial:equals ?spatialObject2
?feature spatial:withinBox(?latMin ?lonMin ?latMax ?lonMax [ ?limit])
?feature spatial:withinBoxGeom(?geomLit1 ?geomLit2 [ ?limit])
?feature spatial:nearbyGeom(?geomLit ?radius [ ?unitsURI [ ?limit]])
?feature spatial:withinCircle(?lat ?lon ?radius [ ?unitsURI [ ?limit]])
?feature spatial:withinCircleGeom(?geomLit ?radius [ ?unitsURI [ ?limit]])
?feature spatial:intersectBox(?latMin ?lonMin ?latMax ?lonMax [ ?limit])
?feature spatial:intersectBoxGeom(?geomLit1 ?geomLit2 [ ?limit])

Interesting Queries

Click any query to load it into the editor.

✈️ Airports near London (50km)

PREFIX spatial: <http://jena.apache.org/spatial#>
PREFIX gn: <http://www.geonames.org/ontology#>
PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX units: <http://www.opengis.net/def/uom/OGC/1.0/>

SELECT ?airport ?name ?lat ?lon
WHERE { 
  ?airport spatial:nearby(51.5074 -0.1278 50 units:kilometer) . 
  ?airport gn:featureCode gn:S.AIRP .
  ?airport gn:name ?name .
  ?airport geo:lat ?lat .
  ?airport geo:long ?lon .
} LIMIT 10

🏙️ Bounding Box (Manhattan)

PREFIX spatial: <http://jena.apache.org/spatial#>
PREFIX gn: <http://www.geonames.org/ontology#>

SELECT ?place ?name 
WHERE {   
  ?place spatial:withinBox(40.70 -74.02 40.88 -73.90) .  
  ?place gn:name ?name .
} LIMIT 20

🌍 Major Cities near Paris

PREFIX spatial: <http://jena.apache.org/spatial#>
PREFIX gn: <http://www.geonames.org/ontology#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX units: <http://www.opengis.net/def/uom/OGC/1.0/>

SELECT ?city ?name ?pop
WHERE { 
  ?city spatial:nearby(48.8566 2.3522 100 units:kilometer) . 
  ?city gn:name ?name .
  ?city gn:population ?pop .
  FILTER (xsd:integer(?pop) > 100000)
} 
ORDER BY DESC(xsd:integer(?pop)) 
LIMIT 15

📍 Coordinate Extraction

PREFIX geo: <http://www.w3.org/2003/01/geo/wgs84_pos#>
PREFIX gn: <http://www.geonames.org/ontology#>

SELECT ?name ?lat ?long 
WHERE {
  ?object gn:countryCode "MX" .
  ?object gn:name ?name .
  ?object geo:lat ?lat .
  ?object geo:long ?long .
} LIMIT 10