メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.347696913611 44.4792679430244, 142.347636022381 44.4792526322993, 142.347087448942 44.4791220042489, 142.347020402233 44.4791060288617, 142.345260192507 44.4786868647414, 142.344962835995 44.4785402969541, 142.344475607122 44.478423627856, 142.343891524079 44.4782837635129, 142.344411968487 44.4771530575283, 142.345988189236 44.4775290520682, 142.346026507376 44.4775954312633, 142.348249109132 44.4781154266698, 142.348149949458 44.4783236381973, 142.348066502416 44.478498823924, 142.347792479864 44.479027356605, 142.347696913611 44.4792679430244)) ^^http://www.opengis.net/ont/geosparql#wktLiteral