メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.860282776216 35.2540126356126, 136.860274153888 35.2545505119063, 136.859849930175 35.254548895613, 136.85927332912 35.2545466939682, 136.857844690229 35.2545876121977, 136.857850499605 35.2539296588369, 136.857855773242 35.2531192368681, 136.857868234593 35.252446866976, 136.859240144829 35.2524549557034, 136.859385372891 35.2524570869684, 136.859548247872 35.2524466576227, 136.86030315051 35.2524052683772, 136.860290185528 35.2529251013789, 136.860293622076 35.2534711042391, 136.860282776216 35.2540126356126)) ^^http://www.opengis.net/ont/geosparql#wktLiteral