メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((124.2625000 24.4916667, 124.2687500 24.4916667, 124.2687500 24.4958334, 124.2625000 24.4958334, 124.2625000 24.4916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral