メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.937267303962 34.8928392719326, 136.937219534077 34.8932142941828, 136.937180091023 34.8936992046345, 136.936535107904 34.8938544122187, 136.936241968565 34.893930766761, 136.936009349283 34.8939754012627, 136.935694704358 34.8940086106548, 136.935166603832 34.8940419764769, 136.935079897152 34.8934108242344, 136.935058618574 34.8932559068729, 136.935047654721 34.8931187580949, 136.936190363688 34.8928150493712, 136.936242712176 34.8927555641177, 136.936809212173 34.8926040140573, 136.937292001645 34.892462232713, 136.937267303962 34.8928392719326)) ^^http://www.opengis.net/ont/geosparql#wktLiteral