メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.040514464212 35.0005330785071, 137.041046175918 35.0009870448775, 137.040700712936 35.0012877689577, 137.040608180879 35.0013683135515, 137.039854330611 35.0019894833718, 137.039749865033 35.0019588089847, 137.039565407605 35.0020954588343, 137.03897230129 35.001851579499, 137.038519006048 35.0016696103682, 137.038102996527 35.0015026092959, 137.039339790729 35.0005403794456, 137.039958911168 35.0000586613477, 137.040216120661 35.0002783128163, 137.040514464212 35.0005330785071)) ^^http://www.opengis.net/ont/geosparql#wktLiteral