メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.50191211357 40.6545129927219, 140.504293613895 40.6561267786967, 140.502406596266 40.6577175293567, 140.501662218423 40.6583201472698, 140.499655231408 40.6569128436579, 140.500382740494 40.6560844724069, 140.498826328372 40.6549577856234, 140.499550544409 40.6543897436469, 140.500556614971 40.6535274168402, 140.50191211357 40.6545129927219)) ^^http://www.opengis.net/ont/geosparql#wktLiteral