メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.869362351016 38.2605246542951, 140.870533011059 38.2607443357649, 140.871187135832 38.2608636530361, 140.871045101736 38.2613234904922, 140.871003849979 38.2613167460168, 140.87070437567 38.2622863974812, 140.870066010095 38.2621711542801, 140.868889969889 38.2619582256061, 140.868596159199 38.2619029858056, 140.867873240372 38.2617822655096, 140.868016752453 38.2612689387149, 140.868149756714 38.2607736340005, 140.868259121224 38.2603101518103, 140.869362351016 38.2605246542951)) ^^http://www.opengis.net/ont/geosparql#wktLiteral