メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.361079820766 43.1134030168, 141.361682604583 43.1134808306516, 141.361578314832 43.1139134324874, 141.361474693937 43.1142999054186, 141.361444581255 43.1144432741998, 141.361375586323 43.1147390162655, 141.360184094197 43.1145707597017, 141.360300815095 43.1141291863092, 141.360355648265 43.1139099185382, 141.36050342922 43.1133190759422, 141.361079820766 43.1134030168)) ^^http://www.opengis.net/ont/geosparql#wktLiteral