メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.058230543172 42.9177820021031, 143.058222620079 42.9178345959253, 143.058208007694 42.9179320389789, 143.058174362873 42.9181692258824, 143.058159511407 42.9182847459122, 143.058112148252 42.9186510899536, 143.058069578219 42.918981600638, 143.056951631032 42.9188888314341, 143.056638850185 42.9188624780337, 143.056403696848 42.9188451428295, 143.056302927518 42.9188374821264, 143.055615836399 42.9187847119266, 143.055620616363 42.918762382655, 143.055660948976 42.9184426505532, 143.05571002844 42.9180747482751, 143.05571470797 42.9179858855694, 143.055747786289 42.9177266897016, 143.05576006471 42.9176554977529, 143.055787296377 42.9174982543604, 143.055791933202 42.9174649546889, 143.05825007197 42.9176435204808, 143.058230543172 42.9177820021031)) ^^http://www.opengis.net/ont/geosparql#wktLiteral