[developers] Semantic treebanking without grammar?

Berthold Crysmann berthold.crysmann at gmail.com
Wed Jul 3 16:15:41 CEST 2013

On 30/06/13 00:41, Stephan Oepen wrote:
> hi berthold,
> i think there are two variables that need to be set:
>    (setf lkb::*tree-discriminants-mode* :modern)
>    (setf lkb::*tree-display-view* :modern)
> plus there was an assumption that the ‘mrs’ field be populated in the
> ‘result’ relation, but the ‘derivation’ field be empty.  i have purged the
> latter assumption, and added to the [incr tsdb()] podium two toggles:
>    Trees|Switches|Semantic Discriminants
>    Trees|Switches|Show Elementary Dependencies
> there is a new 64-bit run-time binary in the LOGON tree, so i would
> suggest you ‘make update’ and then try with the two switches above
> set from the podium.
> please let me know in case you run into more problems!  oe
That seems to work indeed. Thank you very much.

Would it be possible to also train/test models for non LKB grammars 
using the tree structure ?


>> we would like to do some MRS treebanking on the output of a French TAG.
>> Obviously, we cannot replay derivations with the LKB, so
>> we thought that we could simply treebank using the discriminators extracted
>> from the MRS. I quickly tried this out with a Hausa treebank, i.e.
>> activating Trees|Annotate without any grammar loaded, and the fine system
>> just outputs error messages complaining it cannot reconstruct the trees.
>> *tree-discriminants-mode* is set to :modern.
>> Is it possible at all? I remember an LREC 2006 paper on this. What do I have
>> to do configuration-wise to make it possible?

Berthold Crysmann <crysmann at linguist.jussieu.fr>
CNRS, Laboratoire de linguistique formelle (UMR 7110), U Paris Diderot
Case 7031, 5 rue Thomas Mann, 75205 Paris cedex 13
Bureau 545, bâtiment Olympe de Gouges, rue Albert Einstein, 75013 Paris

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