メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.129679756808 34.6529795214189, 135.130038049466 34.6531833935201, 135.130476939322 34.6534464604497, 135.130178715135 34.6542011541468, 135.130099017107 34.6544225400039, 135.129671031609 34.6541594005323, 135.129319969623 34.6539543534759, 135.128897488499 34.6536956827167, 135.128398284121 34.6533991981619, 135.128757262579 34.6530069604294, 135.129097493457 34.6526509035239, 135.129327799059 34.6527778605688, 135.129679756808 34.6529795214189)) ^^http://www.opengis.net/ont/geosparql#wktLiteral