メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.133462932163 34.6490911417621, 135.133527600727 34.649135159385, 135.133580375264 34.649171081327, 135.133947979242 34.6493962912599, 135.133564607657 34.6497999734209, 135.133175756686 34.6502014366258, 135.132205371791 34.6496849422647, 135.132667269113 34.6492221522061, 135.133058847254 34.6488206726585, 135.133462932163 34.6490911417621)) ^^http://www.opengis.net/ont/geosparql#wktLiteral