メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.547725149191 43.2452478011196, 143.546357413614 43.2453159479612, 143.546344627906 43.245216718133, 143.546251134841 43.2444878995246, 143.546137958253 43.2436066237019, 143.547000074662 43.2435863518775, 143.547074180028 43.2442989991347, 143.547644220383 43.244273602292, 143.547725149191 43.2452478011196)) ^^http://www.opengis.net/ont/geosparql#wktLiteral