メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.474315035501 36.365109557142, 140.475108396468 36.3650185096547, 140.475271122163 36.3658816014737, 140.475457645356 36.3668270870823, 140.475586230756 36.3675817905028, 140.474751454442 36.3676846816782, 140.472969918737 36.367888757713, 140.472889735229 36.3675333348739, 140.472826359362 36.3671305765711, 140.47282410929 36.3671162948231, 140.472745383587 36.3666199032845, 140.472678310291 36.3662068850841, 140.472600052228 36.3657672768709, 140.472515858746 36.3653416427613, 140.474315035501 36.365109557142)) ^^http://www.opengis.net/ont/geosparql#wktLiteral