メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((124.3000000 24.5250000, 124.3062500 24.5250000, 124.3062500 24.5291667, 124.3000000 24.5291667, 124.3000000 24.5250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral