メタデータ名 si188020001
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.8562500 38.1166667, 140.8625000 38.1166667, 140.8625000 38.1208334, 140.8562500 38.1208334, 140.8562500 38.1166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral