メタデータ名 G20513007671
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2437500 41.2416667, 141.2500000 41.2416667, 141.2500000 41.2458334, 141.2437500 41.2458334, 141.2437500 41.2416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral