メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.62817736626 35.3598028642264, 136.627963725603 35.3598062771517, 136.627967862382 35.3591894653939, 136.629093677591 35.3592071571553, 136.629164485507 35.3592109228277, 136.629156529489 35.3595102530026, 136.629149089721 35.3597899383791, 136.629080199132 35.3597885050431, 136.628559941671 35.3597968224306, 136.62817736626 35.3598028642264)) ^^http://www.opengis.net/ont/geosparql#wktLiteral