メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.110969588641 37.9053242539964, 140.111038735957 37.9053121483196, 140.111651548721 37.9077314593768, 140.110891985507 37.9078777257729, 140.109430756002 37.908167783952, 140.107989476562 37.9084462576046, 140.107835971866 37.907627220966, 140.107662453856 37.9065356450622, 140.107530110694 37.9056657751684, 140.10747206098 37.905231664603, 140.107354841132 37.9044143995029, 140.107207727935 37.9035386652452, 140.108026024926 37.9034735965266, 140.108449955235 37.9034374901639, 140.110332916621 37.9032812452571, 140.110969588641 37.9053242539964)) ^^http://www.opengis.net/ont/geosparql#wktLiteral