メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.84544697 35.1218322386287, 136.845405188622 35.1221740408971, 136.844690334996 35.1223052945221, 136.844584585651 35.1223179788506, 136.844329122394 35.1223199231998, 136.843876218064 35.1223685384737, 136.842193614866 35.1223943026717, 136.840469405835 35.1224238069862, 136.840456896631 35.1219360138745, 136.840458870158 35.1214111457876, 136.842171644649 35.121385344636, 136.842812123173 35.1213720838511, 136.843738505564 35.1213528728758, 136.845508678768 35.1213160464186, 136.84544697 35.1218322386287)) ^^http://www.opengis.net/ont/geosparql#wktLiteral