メタデータ名 typeOfMigrants-in
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.4937500 33.2625000, 131.5000000 33.2625000, 131.5000000 33.2666667, 131.4937500 33.2666667, 131.4937500 33.2625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral