It's like the 'normalisation' discussion because in both cases we dream of a 'true message' that, in the NLG case, we generate from, and in the normalisation and analysis cases, we normalise/analyse to. Of course the 'true message' is a fantasy, and what we think it should be will depend on our particular goals in our particular context.

in Discussion on Corpora-list (5 March 2015)