メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.127622157631 34.6518063741723, 135.127731843168 34.6518687629607, 135.128283021912 34.6521829411698, 135.12792618999 34.6525143132123, 135.127550502212 34.6528705981069, 135.126963353234 34.652502561718, 135.12645306199 34.6521858575567, 135.126787823893 34.6518275889251, 135.127098297456 34.6514965223333, 135.127600168897 34.6517884878069, 135.127622157631 34.6518063741723)) ^^http://www.opengis.net/ont/geosparql#wktLiteral