メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8875000 42.7125000, 141.8937500 42.7125000, 141.8937500 42.7166667, 141.8875000 42.7166667, 141.8875000 42.7125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral