メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.564968604623 41.0719948350702, 140.563672176599 41.0723092749804, 140.560171423381 41.0737001066145, 140.559101804373 41.073916176723, 140.556242199896 41.0739093890945, 140.552510709751 41.0737056825757, 140.551013326005 41.0735024549226, 140.551012978356 41.0724450166988, 140.55282351923 41.0723162193832, 140.554406189429 41.0725673999268, 140.555789215781 41.0724755911862, 140.55621863993 41.0719819486534, 140.557023701669 41.071831687677, 140.559512394896 41.0718375806902, 140.56059254264 41.0720303654967, 140.561547653097 41.0720706689238, 140.562329585083 41.0714256473291, 140.562859287205 41.0709893404992, 140.563713120855 41.0712005646383, 140.564365095769 41.0716016272394, 140.564958173177 41.0717363953471, 140.564968604623 41.0719948350702)) ^^http://www.opengis.net/ont/geosparql#wktLiteral