メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.115786918096 37.9083236401495, 140.116026574902 37.9091816222258, 140.116122995387 37.9095351519398, 140.114867158128 37.9097298091557, 140.113578605459 37.9099259427356, 140.112292611288 37.9101277102049, 140.11195921248 37.9089162028124, 140.111651548721 37.9077314593768, 140.112928903422 37.90748699021, 140.114216498365 37.9072346859599, 140.115418672312 37.9070043727917, 140.115684888053 37.9079761297655, 140.115786918096 37.9083236401495)) ^^http://www.opengis.net/ont/geosparql#wktLiteral