メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> MULTIPOLYGON(((135.749244374654 34.5246164504259, 135.749218699302 34.5242914278703, 135.750160039067 34.5242857440433, 135.749642435784 34.5244692174086, 135.749515279313 34.5245258660787, 135.749477735275 34.5245093086594, 135.749244374654 34.5246164504259)), ((135.747730040136 34.5247350481033, 135.746775395812 34.5247260344106, 135.746568288767 34.5247240553788, 135.746446348287 34.5243092443016, 135.746776967805 34.5243069718581, 135.747776648989 34.5243001608157, 135.747730040136 34.5247350481033))) ^^http://www.opengis.net/ont/geosparql#wktLiteral