Empires over Beijing through time

Year	Territory
-2000	Thai
-500	Zhou states
-323	Zhow states
500	Toba Wei

Run this query → no server · no download · no account

caviri.github.io/rete

Run this query in the playground → 18 rows · 107 ms · no server, no download — the query runs in your browser.

The query

PREFIX geo: <http://www.opengis.net/ont/geosparql#> PREFIX geof: <http://www.opengis.net/def/function/geosparql/> PREFIX ex: <http://ex/> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT ?year ?territory WHERE { ?t ex:year ?year ; rdfs:label ?territory ; geo:hasGeometry/geo:asWKT ?w . FILTER(geof:sfContains(?w, "POINT(116.4 39.9)"^^geo:wktLiteral)) } ORDER BY ?year

rete playground · documentation · github.com/caviri/rete