メタデータ名 G20644321112
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1437500 38.4166667, 141.1500000 38.4166667, 141.1500000 38.4208334, 141.1437500 38.4208334, 141.1437500 38.4166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral