メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.172236243662 34.2320700518325, 135.171651449431 34.2320724575877, 135.171649028237 34.2315292445417, 135.171671450185 34.2310038080412, 135.171674697463 34.2298791192978, 135.172030519033 34.2298863005495, 135.172653782506 34.2298869836403, 135.172653464761 34.2310950878665, 135.172652755137 34.2315336130072, 135.172652274689 34.2318092932738, 135.172657470441 34.2320681082971, 135.172236243662 34.2320700518325)) ^^http://www.opengis.net/ont/geosparql#wktLiteral