メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.173487383394 34.2419478655444, 135.173486794966 34.2420081539194, 135.173245242424 34.2420179354643, 135.173242176957 34.2423319146021, 135.173187524384 34.2423353488476, 135.173175854425 34.2425925000278, 135.173158192547 34.2429159580496, 135.17275303508 34.2428909679056, 135.172804474783 34.2426349316777, 135.172830857256 34.2424866322989, 135.172853454408 34.2423004135796, 135.17285803156 34.2421532355767, 135.172846779428 34.2420287712571, 135.17283096855 34.2419456923975, 135.173487383394 34.2419478655444)) ^^http://www.opengis.net/ont/geosparql#wktLiteral