メタデータ名 C13304-19700401
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3562500 40.7875000, 141.3625000 40.7875000, 141.3625000 40.7916667, 141.3562500 40.7916667, 141.3562500 40.7875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral