メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.369265937448 37.1735127297585, 138.369307411091 37.1734275919132, 138.369343816643 37.1733734941518, 138.369446707877 37.1732634304723, 138.369547679876 37.1731697687485, 138.369599106434 37.173122727131, 138.369601657892 37.1730966819115, 138.369608034419 37.1730275543301, 138.369611867923 37.1729854596147, 138.369618165763 37.1729614604897, 138.369639510318 37.1729303662656, 138.369692172701 37.1728933933936, 138.36965679923 37.1727114398203, 138.369630754773 37.1725601186958, 138.369584770849 37.1723969509143, 138.370282607543 37.1719770746299, 138.370464701275 37.1722050907911, 138.37060298101 37.1724477037416, 138.370755939316 37.1726406281037, 138.370783551052 37.1726737459638, 138.370498540691 37.1727968468667, 138.370409352518 37.1729012222684, 138.370260595307 37.1731527423713, 138.370279234873 37.1734226779216, 138.370169105312 37.173380457987, 138.370037714972 37.1733211778106, 138.369925105515 37.1732628319095, 138.369865032177 37.1732347460304, 138.369809951184 37.1732196202518, 138.369747340341 37.1732226474956, 138.369718510783 37.1732326128217, 138.369645150594 37.1732891353928, 138.369568658052 37.1733512144299, 138.369498447231 37.1733992896082, 138.369384393246 37.1734521769651, 138.369265937448 37.1735127297585)) ^^http://www.opengis.net/ont/geosparql#wktLiteral