メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.711534179367 33.0650046887834, 131.71163245714 33.0656657803081, 131.711483073703 33.0655883227294, 131.711342945814 33.0655069095051, 131.711202827002 33.0654372350657, 131.710866516545 33.0652433961831, 131.710594171735 33.0650652330468, 131.710401589055 33.0649217536006, 131.710339464167 33.0647810799437, 131.710322362335 33.0645894088023, 131.710395082915 33.0644768103506, 131.71040342037 33.0644628669662, 131.710478545347 33.0643371325096, 131.710716036047 33.0644573113496, 131.711094415006 33.0646704884207, 131.711328500257 33.0648766602204, 131.711534179367 33.0650046887834)) ^^http://www.opengis.net/ont/geosparql#wktLiteral