メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.266866849843 44.0234962200691, 144.266265259236 44.0243885546618, 144.265395114832 44.0241038102192, 144.265549370895 44.0238708068073, 144.265946966769 44.0232559742208, 144.266330089019 44.0233637275033, 144.266644790545 44.0234481697911, 144.266866849843 44.0234962200691)) ^^http://www.opengis.net/ont/geosparql#wktLiteral