メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.587353329748 34.6306477509318, 135.587363435594 34.6310341703143, 135.587353743216 34.6312802239647, 135.587366669094 34.6323467344302, 135.586163818601 34.6323478714625, 135.585435472901 34.6323355370852, 135.584998162067 34.6323312325762, 135.585001146905 34.6322965910901, 135.585021257608 34.6313434449243, 135.585016956602 34.6303734527177, 135.586189757915 34.6303784240259, 135.586603320306 34.6303499637887, 135.587364578042 34.6303195805386, 135.587353329748 34.6306477509318)) ^^http://www.opengis.net/ont/geosparql#wktLiteral