メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.204466153866 34.7021489560996, 135.20431082117 34.7024295265095, 135.204055022259 34.7022375406147, 135.203694968373 34.7019922116422, 135.203490318393 34.7019936760419, 135.203548483841 34.7018152180839, 135.203604794026 34.7017201600358, 135.203688296178 34.7016158926012, 135.20396879205 34.7018212247446, 135.204466153866 34.7021489560996)) ^^http://www.opengis.net/ont/geosparql#wktLiteral