メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.418830671069 33.6557821181609, 130.418351269919 33.6561378888508, 130.418189443192 33.6562713175423, 130.417894653897 33.6562696969304, 130.417201022655 33.6559964164686, 130.41137331814 33.6536168385577, 130.411618901534 33.653420176016, 130.413407025389 33.6505386968079, 130.413569147987 33.6503377950794, 130.413675403815 33.6502819468417, 130.413916057829 33.650541111699, 130.418596979338 33.65551256598, 130.418830671069 33.6557821181609)) ^^http://www.opengis.net/ont/geosparql#wktLiteral