メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.343020213289 37.439721801985, 140.342865713923 37.4407273475812, 140.341692650515 37.4406276438095, 140.341703849991 37.4403395217695, 140.342064785988 37.4399586578367, 140.342100908545 37.439661840884, 140.341999517971 37.4390911989586, 140.341886864507 37.43905873547, 140.342262255581 37.4388959060125, 140.342528018578 37.4384837707872, 140.343452202333 37.4388213646076, 140.343172311615 37.4392910085944, 140.34305939453 37.4394665072641, 140.343020213289 37.439721801985)) ^^http://www.opengis.net/ont/geosparql#wktLiteral