メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.458059641917 40.5897372020421, 140.458018107257 40.5897416422911, 140.457783141899 40.5889887908619, 140.457667356297 40.588622821216, 140.457518502683 40.5882204705913, 140.457398162957 40.5878236324297, 140.457263005078 40.5873499105381, 140.458859239147 40.5871249089578, 140.459286158112 40.5870647242361, 140.460813076246 40.586849490467, 140.46099612573 40.5881428205162, 140.461046748947 40.5886700560275, 140.461066940879 40.5888896467641, 140.461117786939 40.5893769891191, 140.46111817219 40.5893905698833, 140.459331913796 40.5896013785766, 140.458059641917 40.5897372020421)) ^^http://www.opengis.net/ont/geosparql#wktLiteral