メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.444973662123 43.0517908993452, 141.445123833497 43.0522279350183, 141.445261797668 43.0526416050858, 141.44542999037 43.0531713939846, 141.443644066278 43.0534642710265, 141.443481379381 43.0529545636126, 141.443344428937 43.0525411795491, 141.443206541416 43.0521007120654, 141.442903814677 43.0512754291257, 141.443021442729 43.0511467089057, 141.443142656362 43.0509967746676, 141.443241959292 43.0508613146164, 141.444590410443 43.0506281699843, 141.444693693805 43.0509102190965, 141.444831688998 43.0513541318269, 141.444973662123 43.0517908993452)) ^^http://www.opengis.net/ont/geosparql#wktLiteral