メタデータ名 obsValue
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.0187500 37.5625000, 140.0250000 37.5625000, 140.0250000 37.5666667, 140.0187500 37.5666667, 140.0187500 37.5625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral