メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.340027435735 40.5428671342006, 141.339618358416 40.5425806712061, 141.339049496477 40.5423059887358, 141.338203847319 40.541943829079, 141.338919141001 40.5404329027292, 141.340943548196 40.5410116081904, 141.340027435735 40.5428671342006)) ^^http://www.opengis.net/ont/geosparql#wktLiteral