メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.360327873234 43.151876455581, 141.360396430583 43.1522162600285, 141.360524622599 43.1526632902293, 141.360097160958 43.1527170625607, 141.358172510077 43.1529591689258, 141.358063787075 43.1525549826649, 141.357969006837 43.1521895162201, 141.357882045554 43.1518280491497, 141.359028675077 43.151681487528, 141.359369451471 43.1515707783983, 141.359528615979 43.1515573223937, 141.359627644325 43.1515443806735, 141.360228296534 43.151469877621, 141.360327873234 43.151876455581)) ^^http://www.opengis.net/ont/geosparql#wktLiteral