メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.161500816227 34.67230698717, 135.162043393918 34.6726739096837, 135.161689649733 34.6730369122827, 135.161522211551 34.6732070803421, 135.161225051005 34.6734998311151, 135.160132052391 34.6727703028876, 135.160434669724 34.6724775177363, 135.160540020707 34.6723731309076, 135.160602086223 34.6723050976507, 135.160683859522 34.6722301691897, 135.160961287546 34.6719420611579, 135.16138681621 34.6722298931919, 135.161500816227 34.67230698717)) ^^http://www.opengis.net/ont/geosparql#wktLiteral