メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.357436043203 38.2184855594836, 140.354878759073 38.2183840800473, 140.354671268555 38.2181950072585, 140.354531446826 38.2180882861236, 140.354395463355 38.2180086118087, 140.354263393723 38.2179510560815, 140.35408208505 38.2178989297221, 140.35360021847 38.2177616698021, 140.35344410376 38.2176976799863, 140.353273755024 38.2176681225599, 140.349963383705 38.2176373695044, 140.356479213617 38.2112932608683, 140.356664164978 38.2111131048462, 140.363738304684 38.2150866901641, 140.357436043203 38.2184855594836)) ^^http://www.opengis.net/ont/geosparql#wktLiteral