メタデータ名 Te50470
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4937500 35.7041667, 140.5000000 35.7041667, 140.5000000 35.7083333, 140.4937500 35.7083333, 140.4937500 35.7041667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral