メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6437500 35.1208334, 136.6500000 35.1208334, 136.6500000 35.1250000, 136.6437500 35.1250000, 136.6437500 35.1208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral