メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.695079571298 35.4274528598835, 136.694292027797 35.427446355657, 136.694251433818 35.4274460206988, 136.693941827683 35.4274434618376, 136.693943926329 35.4274009007789, 136.69400859555 35.4254536891258, 136.694392011292 35.4252152977808, 136.696287257442 35.4252357298044, 136.696290303943 35.4256884729428, 136.696284004028 35.426579896404, 136.696290229003 35.4274628485351, 136.695079571298 35.4274528598835)) ^^http://www.opengis.net/ont/geosparql#wktLiteral