メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.122894556937 39.6686352619275, 140.123301183712 39.6698532389803, 140.122949730688 39.6699171296942, 140.121604788875 39.6701858293188, 140.120259744485 39.6704634100735, 140.119830972815 39.6705322692131, 140.119633886731 39.6705667690366, 140.119369335926 39.6706312178464, 140.119025713952 39.6707785678717, 140.118775118377 39.6709556573236, 140.118500014527 39.6712666498915, 140.118258095947 39.6711624190307, 140.119380384011 39.6696897420244, 140.120102553227 39.6688527784904, 140.120732537882 39.6681196388529, 140.121418948703 39.6673391668925, 140.1219475637 39.6667216128003, 140.122100911468 39.6668668443004, 140.122159260833 39.6669084379569, 140.122275656527 39.6670122418264, 140.122467414777 39.6673236037322, 140.122520132681 39.6674838404599, 140.122894556937 39.6686352619275)) ^^http://www.opengis.net/ont/geosparql#wktLiteral