メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.736235468095 35.2701576671317, 136.735171611002 35.2703914514421, 136.735176586966 35.2699015425926, 136.73614099087 35.2699119843534, 136.736235468095 35.2701576671317)) ^^http://www.opengis.net/ont/geosparql#wktLiteral