メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.224917397706 34.7108804839282, 135.225409760995 34.7109997041393, 135.225721869536 34.7110751696392, 135.225618007138 34.7113148228943, 135.225549055967 34.7114778766435, 135.225484181606 34.7116314618546, 135.225445006407 34.7117240096634, 135.225172867697 34.7116459972204, 135.224631930828 34.7114910726324, 135.224004599275 34.7112725470766, 135.224170988936 34.7109700382137, 135.22430709691 34.7107226850667, 135.224917397706 34.7108804839282)) ^^http://www.opengis.net/ont/geosparql#wktLiteral