メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.732404235096 35.2334387608135, 136.730127890979 35.233648483798, 136.729915561774 35.2326092041788, 136.730904726388 35.2325109369289, 136.730700500712 35.232163498409, 136.731238353244 35.2317371982836, 136.73121905335 35.2315981054482, 136.731796510815 35.231550703981, 136.731887851422 35.2318135105901, 136.732404235096 35.2334387608135)) ^^http://www.opengis.net/ont/geosparql#wktLiteral