メタデータ名 C11422-19770501
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4625000 38.2250000, 139.4687500 38.2250000, 139.4687500 38.2291667, 139.4625000 38.2291667, 139.4625000 38.2250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral