メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.701953317097 39.1073428516202, 141.70226869106 39.1077138480592, 141.70241654943 39.1079852440641, 141.70245872668 39.1081244874856, 141.702430929977 39.1082147768995, 141.702327930649 39.1083011229513, 141.702169739274 39.1083653598462, 141.701910037986 39.1083943202394, 141.701562827714 39.1083956399045, 141.701238030051 39.1083834207383, 141.700917620704 39.1083454801653, 141.700993293342 39.1081817834185, 141.70106262389 39.1080823182929, 141.701230714015 39.1079783865351, 141.701698590017 39.1077696132436, 141.701846094062 39.1075193108783, 141.701953317097 39.1073428516202)) ^^http://www.opengis.net/ont/geosparql#wktLiteral