メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.21831085588 34.7124904894208, 135.218634200948 34.7126120924002, 135.219075423653 34.7127824185073, 135.218853074181 34.7131739246853, 135.218593477532 34.7136558489311, 135.218267447629 34.7135387726968, 135.218075621931 34.71346579456, 135.217719405914 34.7133331603213, 135.21700436801 34.7130791761428, 135.217267924865 34.7127121650054, 135.217628499295 34.7122295103716, 135.21831085588 34.7124904894208)) ^^http://www.opengis.net/ont/geosparql#wktLiteral