メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.2437500 35.9125000, 140.2500000 35.9125000, 140.2500000 35.9166667, 140.2437500 35.9166667, 140.2437500 35.9125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral