メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.370317308007 36.2552490142171, 136.370260468853 36.2554786786958, 136.367313751038 36.2555227019245, 136.367444085825 36.2553499445275, 136.367516718151 36.2552346950916, 136.367546339842 36.2551345785346, 136.367524288923 36.2549608215598, 136.367520411623 36.2548720441356, 136.367567058414 36.2547561633473, 136.368539786197 36.2549065177528, 136.369090746978 36.255036855076, 136.370317308007 36.2552490142171)) ^^http://www.opengis.net/ont/geosparql#wktLiteral