メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.7812500 34.2291667, 134.7875000 34.2291667, 134.7875000 34.2333333, 134.7812500 34.2333333, 134.7812500 34.2291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral