メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.547564020348 34.070511196243, 134.547260146839 34.0708939164214, 134.54671733305 34.0706372395638, 134.546160340066 34.070466185323, 134.546657279554 34.0692105567805, 134.547265664403 34.0693839198647, 134.54696863544 34.0700956481292, 134.547195458458 34.0702187311288, 134.547152350968 34.0702714334859, 134.547564020348 34.070511196243)) ^^http://www.opengis.net/ont/geosparql#wktLiteral