メタデータ名 C31368-19880210
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.8875000 34.5250000, 135.8937500 34.5250000, 135.8937500 34.5291667, 135.8875000 34.5291667, 135.8875000 34.5250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral