メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.659419727782 35.0693767715328, 136.659728109366 35.0702323436382, 136.659786974466 35.0703956601867, 136.659924401311 35.0707393640189, 136.662089475704 35.070217060712, 136.662166140786 35.0704503842902, 136.660956742668 35.0707460013067, 136.661266935851 35.0716452628877, 136.659587063207 35.0720418824716, 136.657813858014 35.0724666017655, 136.65749271333 35.0725360923887, 136.657250132224 35.0712027786512, 136.657045884277 35.0699862315427, 136.656811934606 35.068794354151, 136.656717885874 35.0682421539081, 136.65880739109 35.0676862631527, 136.658857450372 35.0678270211468, 136.659308233996 35.0690694744946, 136.659419727782 35.0693767715328)) ^^http://www.opengis.net/ont/geosparql#wktLiteral