メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.36344053786 38.3519443862323, 140.364214345732 38.3518376820481, 140.364448686669 38.3531203748597, 140.363687417455 38.3531933453995, 140.362841557581 38.3532849763718, 140.361934072806 38.353402959766, 140.361925607304 38.3533573144209, 140.361859529429 38.353001449884, 140.36177916018 38.3525955533565, 140.361716466401 38.3521517203488, 140.362597176553 38.3520389808777, 140.36344053786 38.3519443862323)) ^^http://www.opengis.net/ont/geosparql#wktLiteral