メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.387189821325 37.3773664518357, 140.38591804221 37.3774656155848, 140.385831219974 37.376711066931, 140.386298196128 37.3765085264238, 140.387573977172 37.3761042308809, 140.38770436209 37.3762548348963, 140.387857934232 37.3764095542796, 140.388316351868 37.3768603461553, 140.387189821325 37.3773664518357)) ^^http://www.opengis.net/ont/geosparql#wktLiteral