メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.742204304251 43.2020574969813, 141.742659851738 43.2022938458746, 141.74132601622 43.2037053268147, 141.740871839875 43.2034769953039, 141.740404899568 43.2032407294281, 141.741764746087 43.2018294449497, 141.742204304251 43.2020574969813)) ^^http://www.opengis.net/ont/geosparql#wktLiteral