メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.312511930014 36.3074396845774, 136.312459303157 36.3072800428796, 136.312434867625 36.3072154781617, 136.312800378137 36.3071062427344, 136.312724005167 36.3068108557901, 136.312927599094 36.3067597841931, 136.313053610023 36.3067234006136, 136.313142769756 36.3069951487768, 136.313218110529 36.3070024815692, 136.313270036502 36.3072265081305, 136.313156674363 36.3072596025268, 136.312511930014 36.3074396845774)) ^^http://www.opengis.net/ont/geosparql#wktLiteral