Strabon Endpoint

On this page you can execute stSPARQL queries against the Strabon backend. The acquired data are then annotated using the stRDF model and can be queried using the stSPARQL query language. On the left sidebar, some example stSPARQL queries to aquire information on the dataset, are provided.

Discovery Queries

· Find all restaurants in London.
· Is there a river that crosses Cardiff?
· What is the length of river that crosses London?
· Find all distinct classes of the dataset.
· Find the number of triples that appear in the dataset.
· Present the first ten triples of the dataset.

You must be logged in to perform update queries, or run in localhost.
stSPARQL Query:	PREFIX geo: <http://www.opengis.net/ont/geosparql#> PREFIX geof: <http://www.opengis.net/def/function/geosparql/> PREFIX geor: <http://www.opengis.net/def/rule/geosparql/> PREFIX strdf: <http://strdf.di.uoa.gr/ontology#> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> PREFIX uom: <http://www.opengis.net/def/uom/OGC/1.0/> PREFIX dbo: <http://dbpedia.org/ontology/> PREFIX gadminst: <http://www.app-lab.eu/gadm/> PREFIX gadmOnt: <http://www.app-lab.eu/gadm/ontology/> PREFIX osm: <http://www.app-lab.eu/osm/ontology#> PREFIX dbp: <http://dbpedia.org/property/> PREFIX dbc: <http://dbpedia.org/resource/Category:> PREFIX dct: <http://purl.org/dc/terms/> PREFIX owl: <http://www.w3.org/2002/07/owl#> PREFIX dbr: <http://dbpedia.org/resource/>
Output Format:
View Result:
Map Bounds: