メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.888277710455 43.7999722709868, 143.888825582806 43.8000044916983, 143.889351835833 43.8000342955636, 143.890369505791 43.8000980184195, 143.891575364903 43.8001628758651, 143.892161535879 43.8008695125545, 143.891905059096 43.8008565343989, 143.891521304087 43.8008755889204, 143.89116863672 43.800909594182, 143.891013123524 43.8009245924267, 143.890251288147 43.8009998981792, 143.889369096014 43.8010906387999, 143.889164618669 43.8011116642078, 143.888455661249 43.8011822952289, 143.888127189537 43.8008656812543, 143.888146616952 43.8008588984808, 143.887518349534 43.8002016983863, 143.887257067933 43.7999133012042, 143.88745524422 43.7999247522566, 143.888061057186 43.7999597326671, 143.888277710455 43.7999722709868)) ^^http://www.opengis.net/ont/geosparql#wktLiteral