メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.131857987053 34.608763117933, 136.132302696077 34.6089078609549, 136.133564603564 34.6094135784919, 136.134074874176 34.6096124750442, 136.13327084135 34.6110149723618, 136.132746783023 34.6108218636868, 136.132346818869 34.6106570696034, 136.13201529814 34.6111614481889, 136.131932668752 34.6113379013927, 136.131813725305 34.6115677822514, 136.131748723567 34.6116746285595, 136.130169798819 34.6110810545931, 136.130558131178 34.6104225141619, 136.131561494537 34.6086608933773, 136.131857987053 34.608763117933)) ^^http://www.opengis.net/ont/geosparql#wktLiteral