メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.282247940556 35.3158464485708, 136.281607183107 35.3158244808237, 136.281061057811 35.3158679260548, 136.28128112463 35.3147426912811, 136.281520302239 35.3146812228755, 136.282000260547 35.3145254631566, 136.282322984845 35.31439351734, 136.282496935152 35.3142478321021, 136.282247940556 35.3158464485708)) ^^http://www.opengis.net/ont/geosparql#wktLiteral