メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.695121011468 35.0651822690155, 136.694831523299 35.0652000533673, 136.694591269801 35.0652210755735, 136.694306376321 35.0641244944432, 136.694217728409 35.0637816083814, 136.694196730984 35.0637094714712, 136.694407954866 35.0636695307161, 136.694423738229 35.0637178930083, 136.694686969788 35.0636597652479, 136.695121011468 35.0651822690155)) ^^http://www.opengis.net/ont/geosparql#wktLiteral