メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.351697673014 43.0620513793255, 141.3515658139 43.0626013761925, 141.351414577951 43.0631972164054, 141.349833435399 43.0629830066936, 141.350129907014 43.0618230727186, 141.350238613665 43.0613550395805, 141.350397936638 43.0607313440844, 141.351150675405 43.060829463498, 141.35109511886 43.0610673042701, 141.3514531764 43.0611127377574, 141.35143684585 43.0611801259517, 141.351519183516 43.0612099597128, 141.351470916977 43.0613624765831, 141.351860243942 43.0614145541294, 141.351797791118 43.0616387675776, 141.351697673014 43.0620513793255)) ^^http://www.opengis.net/ont/geosparql#wktLiteral