メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.755298344524 35.0806913987062, 133.755540975441 35.0808360770607, 133.755291570344 35.0810751890035, 133.755052939098 35.0809405289947, 133.755298344524 35.0806913987062)) ^^http://www.opengis.net/ont/geosparql#wktLiteral