メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.225055090185 36.0969132481299, 136.224916230961 36.0971768086904, 136.224312743195 36.0981875859686, 136.223101140473 36.1001161711432, 136.22281057043 36.0999754988212, 136.222310912361 36.0997787287755, 136.222032035126 36.0996662702712, 136.221776431763 36.0995726002343, 136.221911792089 36.0992263834959, 136.221992523104 36.0990473707839, 136.222368629856 36.0981699888358, 136.222379253953 36.0980667765727, 136.222432170855 36.0975526245957, 136.222444318146 36.0974485280499, 136.222525094595 36.0967533653163, 136.225055090185 36.0969132481299)) ^^http://www.opengis.net/ont/geosparql#wktLiteral