メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.631985989752 34.9082126095307, 136.631084990241 34.9082732736503, 136.631262899934 34.9079623872023, 136.63137125496 34.9077227847219, 136.631476959686 34.9074056516105, 136.631529359617 34.9071994407609, 136.631558278499 34.9070358921073, 136.631591290278 34.9066432827578, 136.632640453558 34.9065752254201, 136.632752489121 34.9078557724024, 136.63195960379 34.9079060212726, 136.631985989752 34.9082126095307)) ^^http://www.opengis.net/ont/geosparql#wktLiteral