メタデータ名 G20523740492
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4250000 38.3500000, 141.4312500 38.3500000, 141.4312500 38.3541667, 141.4250000 38.3541667, 141.4250000 38.3500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral