メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.123919576032 34.6470345437903, 135.123838687097 34.6471319789793, 135.123711913466 34.6472792938286, 135.123520547085 34.6475171766036, 135.123065094612 34.6472271467441, 135.122615079917 34.6469348261952, 135.122952522033 34.6465720429884, 135.123316847149 34.646168517425, 135.12409359117 34.6466931017369, 135.124034241779 34.6467610987918, 135.124108339625 34.6468101996208, 135.123919576032 34.6470345437903)) ^^http://www.opengis.net/ont/geosparql#wktLiteral