メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.172542065951 34.6798499053334, 135.173107285204 34.6801682859965, 135.172888458654 34.6803816433481, 135.172798219831 34.6804707234603, 135.172734488321 34.6805337031579, 135.172717670191 34.6805497509942, 135.172515614347 34.6807425527617, 135.172304832299 34.6809423313946, 135.17205960471 34.6807958406639, 135.17177509551 34.6806259561079, 135.17133577268 34.6803472688604, 135.1715926824 34.6801223836253, 135.171727854419 34.6799997529006, 135.172122160523 34.6796026390174, 135.172542065951 34.6798499053334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral