メタデータ名 G20473073184
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.5000000 38.9708334, 140.5062500 38.9708334, 140.5062500 38.9750000, 140.5000000 38.9750000, 140.5000000 38.9708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral