メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> MULTIPOLYGON(((141.930012395304 43.5835662207077, 141.92940803642 43.583724942677, 141.929187094268 43.5832759282643, 141.927190522217 43.5837650934025, 141.9266512293 43.5826909282442, 141.929262533482 43.5820312716587, 141.929586445581 43.5826682386253, 141.930012395304 43.5835662207077)), ((141.924903506512 43.5848564099254, 141.923167698526 43.5852921332224, 141.92199365544 43.58557672843, 141.921270532356 43.5840999880137, 141.921254779587 43.5840612983088, 141.923984752377 43.5833645772799, 141.924143482475 43.5833099989351, 141.92444319603 43.5839370333086, 141.924903506512 43.5848564099254))) ^^http://www.opengis.net/ont/geosparql#wktLiteral