メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.736120255803 35.2382675056187, 136.735377184127 35.2383381332343, 136.736008694252 35.2401973541708, 136.734677350108 35.2403095032003, 136.734522368375 35.2398640038101, 136.733761243695 35.2376471306557, 136.735123296668 35.2375074761156, 136.73629427577 35.2374078615354, 136.736596590813 35.2380747334254, 136.736120255803 35.2382675056187)) ^^http://www.opengis.net/ont/geosparql#wktLiteral