メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.107859815702 36.0318033796739, 140.105779673641 36.0332498299473, 140.098442801966 36.0262510329816, 140.099936270999 36.0252207455419, 140.101551087006 36.024106711883, 140.102884602452 36.0231867081209, 140.10433659067 36.0221849267746, 140.104419487624 36.0222638519026, 140.105583087823 36.0213937663309, 140.106018771301 36.0218128549446, 140.106322010115 36.0215973019848, 140.108025033007 36.0232031763212, 140.108112371592 36.0233440710324, 140.108156383871 36.0235139318972, 140.108723271125 36.0240488429986, 140.113088252777 36.0281673204173, 140.113051564855 36.0281928336929, 140.107859815702 36.0318033796739)) ^^http://www.opengis.net/ont/geosparql#wktLiteral