メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.489816165964 36.4531184627519, 136.489949338707 36.4538903134096, 136.4883496911 36.4540757772734, 136.488131552576 36.4540810784028, 136.487984421365 36.4540658116582, 136.487856309961 36.4540443458552, 136.487713860781 36.4540038719238, 136.487499526703 36.4538908868238, 136.487238385173 36.4536749693749, 136.487005805181 36.4534750539058, 136.487181229041 36.4533857340255, 136.487403813887 36.4532876376771, 136.487693363981 36.4532415354519, 136.487918427982 36.4532138241918, 136.488361317263 36.4531593104115, 136.489697710332 36.4528681916642, 136.489767056745 36.4528516564975, 136.489816165964 36.4531184627519)) ^^http://www.opengis.net/ont/geosparql#wktLiteral