メタデータ名 C31204-19920525
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4562500 39.1291667, 140.4625000 39.1291667, 140.4625000 39.1333333, 140.4562500 39.1333333, 140.4562500 39.1291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral