メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.734588285315 35.1039993060117, 136.733767490998 35.1041386999042, 136.733225580356 35.1042153532917, 136.733174289813 35.1038285230455, 136.733884645938 35.1037167669932, 136.734494097062 35.103620914394, 136.734588285315 35.1039993060117)) ^^http://www.opengis.net/ont/geosparql#wktLiteral