メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.134222305384 34.6495635167354, 135.134417072182 34.6496816830443, 135.134518559321 34.6497418659451, 135.134894394066 34.6499715259411, 135.134508449224 34.6503910043596, 135.134278973029 34.6506336619734, 135.134207581974 34.6506986446972, 135.133926537701 34.6505683676368, 135.133814404274 34.6505352988906, 135.133581392934 34.6504106217788, 135.133175756686 34.6502014366258, 135.133564607657 34.6497999734209, 135.133947979242 34.6493962912599, 135.134222305384 34.6495635167354)) ^^http://www.opengis.net/ont/geosparql#wktLiteral