メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.916742383604 37.7955969342712, 138.916117332327 37.795552956151, 138.916112277009 37.7955217185879, 138.916084433216 37.7954127057428, 138.916006514744 37.7951927885319, 138.915945728135 37.7949671777146, 138.915855416865 37.7945856786162, 138.9157857263 37.7942987162447, 138.9157316312 37.7941112371914, 138.9156779032 37.7939896428595, 138.915831766264 37.7939430660467, 138.915894321069 37.7941043292138, 138.916027980516 37.7941642579305, 138.916196107014 37.7942330738567, 138.91632250476 37.7942792310134, 138.91648396146 37.794305411034, 138.916472965058 37.7943930202664, 138.916684515038 37.7944301479053, 138.916659566248 37.7945524387612, 138.916801651861 37.7945803769149, 138.916792778384 37.7946747364986, 138.91676766113 37.7947670412594, 138.91677302791 37.7948144676302, 138.916775032712 37.7948633150754, 138.916782122759 37.7949094685084, 138.916784179065 37.7949678866415, 138.916759178303 37.7950886314793, 138.916754307352 37.7951294766623, 138.916776717263 37.7951631867914, 138.916797443815 37.7951971839724, 138.916800233848 37.7952439166049, 138.916783677453 37.7953361893928, 138.916768926308 37.7954502808587, 138.916742383604 37.7955969342712)) ^^http://www.opengis.net/ont/geosparql#wktLiteral