メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.716687165896 35.8180938716152, 139.717364268282 35.8181363406579, 139.718485143233 35.8181859825359, 139.719226482198 35.8182008113085, 139.720053096106 35.8181738169603, 139.720053062966 35.818197352848, 139.720048894663 35.8188783664691, 139.719957592896 35.8192699995399, 139.719816730881 35.8198817747904, 139.719714830685 35.8204097651978, 139.719612332847 35.8209632633444, 139.719161916074 35.8208776938632, 139.718083293514 35.8206727749047, 139.717336350298 35.8205346169745, 139.717310901387 35.8205317942303, 139.716583785541 35.8203917676635, 139.716169871117 35.8203216941874, 139.716078875952 35.8203037571835, 139.715747902146 35.8202385504882, 139.715345515562 35.8201571322399, 139.715418776316 35.8193275368007, 139.715419683281 35.8193127688388, 139.71548705393 35.8186500026263, 139.715558072347 35.817990144684, 139.715779829692 35.8180105127883, 139.716236659454 35.8180524772796, 139.716687165896 35.8180938716152)) ^^http://www.opengis.net/ont/geosparql#wktLiteral