メタデータ名 Te23550
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0500000 38.3583333, 141.0562500 38.3583333, 141.0562500 38.3625000, 141.0500000 38.3625000, 141.0500000 38.3583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral