メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.164709357892 34.6637467928196, 135.163779865266 34.6638117423278, 135.163630437818 34.6625056098157, 135.164848914967 34.6624274161501, 135.164898526279 34.6630243108173, 135.164968290128 34.6637269920765, 135.16482657281 34.663739230025, 135.164810108208 34.6637402928018, 135.164713959272 34.6637464972168, 135.164709357892 34.6637467928196)) ^^http://www.opengis.net/ont/geosparql#wktLiteral