メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> MULTIPOLYGON(((136.76538343078 35.3939238463234, 136.764828646457 35.3940025750573, 136.7646224143 35.3929574529744, 136.765186918019 35.3928771381615, 136.76538343078 35.3939238463234)), ((136.76511123402 35.3955625219961, 136.764555533837 35.3956324448173, 136.764258711614 35.3939887158839, 136.764828646457 35.3940025750573, 136.764959337236 35.3947609664223, 136.76511123402 35.3955625219961))) ^^http://www.opengis.net/ont/geosparql#wktLiteral