TELEIOS: Strabon Endpoint

stSPARQL Endpoint

On this page you can execute stSPARQL queries against the Strabon backend. The dataset is based on the Greek Administrative Geography (Kallikratis).
On the left sidebar, some example stSPARQL queries are provided.

Discovery Queries

· Query 1: Find all municipalities of Pelloponnese
· Query 2: Find municipalities with low population
· Query 3: Find the geometry of municipality of Athens

Explore/Modify operations

· Store
· Query/Update
· Describe

You must be logged in to perform update queries.
stSPARQL Query:	#Municipalities with low population PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX strdf: <http://strdf.di.uoa.gr/ontology#> SELECT ?municipalityName WHERE { ?m rdf:type <http://geo.linkedopendata.gr/gag/ontology/Δήμος> . ?m rdfs:label ?municipalityName . ?m <http://geo.linkedopendata.gr/gag/ontology/έχει_πληθυσμό> ?p . FILTER(?p < 500) . }
Output Format:
View Result:
Map Bounds:

Result:	org.openrdf.sail.rdbms.exceptions.RdbmsQueryEvaluationException: org.postgresql.util.PSQLException: This connection has been closed. SELECT l0.obj, l_municipalityName.value, g_municipalityName.value, NULL FROM label_1462 l0 INNER JOIN triples_1464 έ1 ON (έ1.subj = l0.subj) INNER JOIN type_1471 t2 ON (t2.obj = ? AND t2.subj = l0.subj) LEFT JOIN numeric_values n_p ON (n_p.id = έ1.obj) LEFT JOIN datatype_values d_p ON (d_p.id = έ1.obj) LEFT JOIN label_values l_p ON (l_p.id = έ1.obj) LEFT JOIN label_values l_municipalityName ON (l_municipalityName.id = l0.obj) LEFT JOIN language_values g_municipalityName ON (g_municipalityName.id = l0.obj) WHERE n_p.value < ? LIMIT 1000