"not in ABCD" . . "Actions taken to make the shared data less specific or complete than in its original form. Suggests that alternative data of higher quality may be available on request."@en . "Data Generalizations"@en . "Example: \"Coordinates generalized from original GPS coordinates to the nearest half degree grid cell\""@en . "2008-11-19" . . "2009-04-24" . "recommended" . . . .