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我用SPARQL來請求:亞型在地理空間SPARQL錯誤
select distinct ?place ?label ?lat ?lng where {
GEO OBJECT
SUBTYPE "http://franz.com/ns/allegrograph/3.0/geospatial/spherical/km/-180.0/180.0/-90.0/90.0/50.0"
HAVERSINE (POINT(105.8522, 21.0287), 1.0 KM) {
?place vtio:hasGeoPoint ?loc.
?place rdf:type vtio:FastFood.
?place rdfs:label ?label.
?place vtio:hasLatitude ?lat.
?place vtio:hasLongtitude ?lng.
} where {
} FILTER(lang(?label)='vn')
} LIMIT 5
但是,當我執行它,有一個錯誤:
Executing query failed:
QUERY FAILED: Geospatial subtype
"http://franz.com/ns/allegrograph/3.0/geospatial/spherical/km/-180.0/180.0/-90.0/90.0/50.0"
not found.
我用allegrograph 4.12.1。那麼,我應該用什麼SUBTYPE
,謝謝!