メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.687464691323 34.830888692585, 134.68745056806 34.8308916925552, 134.686385785623 34.8311646128932, 134.68538520562 34.831287605944, 134.685565714316 34.8318698762769, 134.684775000363 34.8320211289406, 134.68451603052 34.8310839143413, 134.685265142368 34.8308282682277, 134.685778043491 34.8306580999014, 134.686437102759 34.8304527122654, 134.687273457004 34.8302727909035, 134.68885647005 34.8299477046038, 134.689015434219 34.829915896751, 134.689215150797 34.8305153614519, 134.687464691323 34.830888692585)) ^^http://www.opengis.net/ont/geosparql#wktLiteral