メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.272598776966 34.6978831320578, 135.272349176184 34.6965621406888, 135.269313886968 34.6962294346947, 135.268385009181 34.6961283962062, 135.267907220387 34.6990145415704, 135.267517256087 34.7014627935594, 135.267463324213 34.7017629487872, 135.267323963069 34.7017459887711, 135.267367183819 34.7014639453492, 135.268101193124 34.6970951576911, 135.268261951784 34.6961045507799, 135.268734809567 34.6937525768842, 135.269286821214 34.6938272112278, 135.273190760666 34.694252367269, 135.273463980647 34.6957309332583, 135.27384918023 34.6976999379553, 135.272598776966 34.6978831320578)) ^^http://www.opengis.net/ont/geosparql#wktLiteral