メタデータ名 G20644166893
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4937500 35.9541667, 139.5000000 35.9541667, 139.5000000 35.9583333, 139.4937500 35.9583333, 139.4937500 35.9541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral