メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.550905847563 34.0715568089854, 134.551158692204 34.0719149803386, 134.551336959935 34.072142080628, 134.549712462506 34.0726757080635, 134.549317286997 34.0722172563685, 134.54912882014 34.0719862273716, 134.549433877666 34.0717613314031, 134.549593336948 34.0718778738345, 134.550296998165 34.0714576372328, 134.550695726164 34.0712723674496, 134.550905847563 34.0715568089854)) ^^http://www.opengis.net/ont/geosparql#wktLiteral