メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.347100600673 43.1205950003459, 141.347565510173 43.1206623645041, 141.348025005205 43.120725815527, 141.347758798209 43.1217833313152, 141.347302940663 43.1217199065684, 141.347076972037 43.1216855012409, 141.34682485422 43.1216535627474, 141.346372743002 43.1215901631227, 141.346516236692 43.1210512578641, 141.346642705857 43.1205272682635, 141.347100600673 43.1205950003459)) ^^http://www.opengis.net/ont/geosparql#wktLiteral