メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.594093220114 35.3922981436778, 136.594146484447 35.3928435106289, 136.593952623552 35.3928963168039, 136.593740275336 35.3929366408594, 136.593494464392 35.3929602569387, 136.593336223261 35.3929678122527, 136.593174727119 35.3929614789653, 136.592962926063 35.3929301883109, 136.592970832594 35.392302581976, 136.59297717092 35.3912630876502, 136.592970341915 35.3906398473498, 136.593871223424 35.3905263315631, 136.59396128008 35.3905171835698, 136.594054135187 35.3917602380417, 136.594093220114 35.3922981436778)) ^^http://www.opengis.net/ont/geosparql#wktLiteral