メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.124652351749 38.9336858752976, 141.124191356064 38.9336281146067, 141.124024631718 38.933628529516, 141.123034871496 38.9337533095869, 141.1230128405 38.933311371844, 141.122986254014 38.9329838854624, 141.122925149722 38.9328656554618, 141.122869271955 38.9327908383146, 141.122889107392 38.9326999979504, 141.122893833408 38.9326210892929, 141.122895593969 38.9324336603092, 141.123000699571 38.9321887551432, 141.12283873425 38.9321180719329, 141.122784811649 38.9314833695493, 141.123037089399 38.9317318224123, 141.123703178504 38.9323966069678, 141.124108281169 38.932819925795, 141.124532278266 38.9334328033142, 141.124644498806 38.9335951028239, 141.124652351749 38.9336858752976)) ^^http://www.opengis.net/ont/geosparql#wktLiteral