メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.20956444789 34.698339656684, 135.209478227592 34.6984439474105, 135.208330076431 34.6979879513094, 135.208676074325 34.6974175321857, 135.2087587846 34.6974980698666, 135.209007296384 34.6977757388281, 135.20933951917 34.6982285921982, 135.20956444789 34.698339656684)) ^^http://www.opengis.net/ont/geosparql#wktLiteral