メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.743916343391 37.4343166924915, 138.744337353466 37.4342724106289, 138.744347852219 37.4342713056908, 138.744735346122 37.434230653209, 138.74487971835 37.4348422609673, 138.745000304144 37.4350898138023, 138.74517069256 37.4353606337451, 138.745423718986 37.4356728183254, 138.745880322493 37.4360431486706, 138.745550334339 37.4363580516078, 138.745257548556 37.4366374475448, 138.744937234643 37.4369431095736, 138.744589898893 37.4372745534274, 138.744238826717 37.4376095597772, 138.744007991956 37.4374771263808, 138.743303643793 37.4368710462062, 138.743171931323 37.4366721821467, 138.742978356657 37.436379913094, 138.7429259739 37.4363008178566, 138.742613262918 37.4358286478972, 138.742605874836 37.4358174912304, 138.742386434318 37.4354042803019, 138.742372016766 37.4353613921471, 138.742233563062 37.4349495458052, 138.742145103348 37.4345028136336, 138.743916343391 37.4343166924915)) ^^http://www.opengis.net/ont/geosparql#wktLiteral