メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.687306092958 35.4322283954019, 136.6874004283 35.4322221855545, 136.688252992051 35.4321851037761, 136.688281276147 35.4331717191964, 136.688559660335 35.4331787004209, 136.688937627042 35.4332088537202, 136.688903603634 35.4342577206152, 136.687104420416 35.4342763018118, 136.686661625166 35.4342811644937, 136.685615284869 35.4342733440838, 136.685620811918 35.4339514105861, 136.685630763352 35.4336375573666, 136.685653328615 35.4332498135886, 136.685672865574 35.4331981331522, 136.685706725657 35.4331105614583, 136.685762936616 35.4322296661953, 136.68582360048 35.4311272140219, 136.686121666959 35.4311580447172, 136.686559286514 35.4311817523786, 136.687222222234 35.4311721976601, 136.687306092958 35.4322283954019)) ^^http://www.opengis.net/ont/geosparql#wktLiteral