メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.827247719305 35.9251431149092, 139.827782759988 35.9253172051616, 139.827471103431 35.9259802856977, 139.82698403483 35.9269707504674, 139.826754656415 35.9274282607791, 139.825653881655 35.927075781706, 139.824494905928 35.9267053157889, 139.824654819555 35.9263830908883, 139.824703477875 35.9262995608574, 139.824824762863 35.92604266554, 139.824959957332 35.9257707028871, 139.825027161118 35.925626866995, 139.825528589153 35.924598317287, 139.826688723716 35.9249690217423, 139.827247719305 35.9251431149092)) ^^http://www.opengis.net/ont/geosparql#wktLiteral