メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.750773108416 35.426264708701, 136.750858773727 35.4262526418845, 136.750872752063 35.4264710287164, 136.75070877335 35.4264793780814, 136.75069278454 35.426501717517, 136.750653947894 35.4265003871498, 136.750648057118 35.4265251199348, 136.750609176409 35.4265237903056, 136.750605140326 35.4265474026868, 136.749948873195 35.4264985801534, 136.749927854119 35.4266793124115, 136.749740390857 35.4266622640315, 136.74979221198 35.4263555838799, 136.749880457535 35.425799702717, 136.750657207695 35.4258653812687, 136.750847913191 35.4259043755271, 136.750773108416 35.426264708701)) ^^http://www.opengis.net/ont/geosparql#wktLiteral