メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.742132421761 35.3650587686777, 136.74169789542 35.3650509966589, 136.741292890635 35.3650614935316, 136.740862227641 35.3650958440582, 136.739628706445 35.3651802839227, 136.73916714461 35.3652049420209, 136.739255858419 35.3638463593059, 136.7392697386 35.3635521926176, 136.739243071108 35.363375486032, 136.741512205718 35.3629186767846, 136.741730365202 35.3636886989929, 136.741926931595 35.3643635787395, 136.742132421761 35.3650587686777)) ^^http://www.opengis.net/ont/geosparql#wktLiteral