メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.362089240427 34.7484882439978, 139.361807377214 34.7484922222346, 139.36162912981 34.7484915309156, 139.361497335018 34.7484473540521, 139.361375438002 34.7484033560952, 139.361048851625 34.7483720846631, 139.360481633361 34.7483341028289, 139.360435286119 34.747873739184, 139.360436762832 34.7473239757622, 139.360423368924 34.7471667260903, 139.360613389149 34.7471674649226, 139.360906405817 34.7478769794472, 139.362553799247 34.7474855853326, 139.362639804342 34.7483864236087, 139.362111086473 34.7484879067595, 139.362089240427 34.7484882439978)) ^^http://www.opengis.net/ont/geosparql#wktLiteral