メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.374036983131 43.0542460046502, 141.374230611496 43.0544281633792, 141.373299754078 43.0550087850314, 141.37288482953 43.0552675846398, 141.372983846214 43.0553453545448, 141.372985540342 43.0554890519178, 141.372334307072 43.0559492215493, 141.371895255572 43.0557912450542, 141.371652270276 43.0557038139422, 141.371146758544 43.0555218591517, 141.370992739221 43.0554677180793, 141.370464472536 43.0553011974249, 141.37040674731 43.0552870398099, 141.37050769869 43.0552493446602, 141.370515231004 43.0552457458429, 141.370646750105 43.0551829667326, 141.371097165555 43.0548909009224, 141.371238881186 43.0547990133486, 141.371851717679 43.0544015700716, 141.371883833547 43.0543822645121, 141.372374366172 43.0540870544413, 141.372410449216 43.0540652477217, 141.373269330482 43.0535483632274, 141.373285097518 43.0535388489035, 141.374036983131 43.0542460046502)) ^^http://www.opengis.net/ont/geosparql#wktLiteral