メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.469418181114 43.0375572709197, 144.469450800233 43.0376375842584, 144.468716172868 43.0382633357, 144.467680547364 43.0391407138153, 144.467557121425 43.0388817019025, 144.467387154647 43.0384858928425, 144.467214714534 43.038095826955, 144.467025318075 43.0376661447419, 144.468236827721 43.0373811004615, 144.469219439414 43.0371612488619, 144.469418181114 43.0375572709197)) ^^http://www.opengis.net/ont/geosparql#wktLiteral