メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.263508060415 44.018556390761, 144.263487643758 44.018563481838, 144.263259383036 44.018648176424, 144.262406273339 44.0185701458452, 144.262511922716 44.0184959653075, 144.262569528152 44.0183842896123, 144.262595988023 44.0182620998313, 144.262540090954 44.0181192287586, 144.262445041827 44.0180286905187, 144.262413091303 44.0180117047526, 144.262954746703 44.0180314192009, 144.262956646119 44.0180875047077, 144.263071306793 44.0180953801118, 144.263087521318 44.0180389767253, 144.263573770304 44.0180799067138, 144.263508060415 44.018556390761)) ^^http://www.opengis.net/ont/geosparql#wktLiteral