メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.824227584441 34.9343272340215, 134.824147918616 34.9343838985432, 134.824045964569 34.9344462870956, 134.823944894251 34.9344916985248, 134.823844548138 34.9345436564016, 134.823755091021 34.9345933175753, 134.823662972825 34.9346486932165, 134.823374724359 34.9344187708329, 134.822810308667 34.9339766226178, 134.823169780938 34.93359436431, 134.823505755968 34.9338259279549, 134.823664693753 34.9339549509044, 134.823818320072 34.9340680779572, 134.823889645542 34.9341256848523, 134.824227584441 34.9343272340215)) ^^http://www.opengis.net/ont/geosparql#wktLiteral