メタデータ名 G20493273281
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3250000 40.7000000, 141.3312500 40.7000000, 141.3312500 40.7041667, 141.3250000 40.7041667, 141.3250000 40.7000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral