メタデータ名 G20543941973
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1687500 39.4833333, 141.1750000 39.4833333, 141.1750000 39.4875000, 141.1687500 39.4875000, 141.1687500 39.4833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral