[developers] Generation with unknown words

Woodley Packard sweaglesw at sweaglesw.org
Sun Feb 7 08:02:22 CET 2016

Hello Alex,

This is a corner of the generation game that is not yet implemented in ACE.  It’s been on the ToDo list for years but nobody has bugged me about it so it has been sitting at low priority.  As Stephan mentioned, the mechanism to make it work in the LKB is both somewhat fiddly and covered in a few cobwebs, so I had somewhat aloofly hoped that over the years someone would have straightened things out to where generation from unknown predicates had a canonical approach (e.g. implemented for multiple grammars or multiple platforms).  I would be interested to hear whether Glenn Slayden (who is on this list) has implemented this in the Agree generator?

I’m willing to put the hour or two it would take to make this work, but wonder if other DELPH-IN developers/grammarians have ideas about ways in which the current setup (as implemented in the ERG’s custom lisp code that patches into the LKB, if memory serves) could be improved upon in the process?


> On Feb 6, 2016, at 2:48 AM, Alexander Kuhnle <aok25 at cam.ac.uk> wrote:
> Dear all,
> We came across the problem of generating from MRS involving unknown words, for instance, in the sentence “I like porcelain.” (parsing gives "_porcelain/NN_u_unknown_rel"). Is there an option for ACE so that these cases can be handled?
> Moreover, we came across the example “The phosphorus self-combusts.” vs ?“The phosphorus is self-combusted.” Where the first doesn’t parse, the second does, but doesn’t generate (again presumably because of "_combusted/VBN_u_unknown_rel"). It seems to not recognise verbs with a “self-“ prefix, but does for past participles.
> Many thanks,
> Alex

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