メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9000000 40.1208334, 140.9062500 40.1208334, 140.9062500 40.1250000, 140.9000000 40.1250000, 140.9000000 40.1208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral