LFG systems and LFG computer implementations

Fri Apr 2 07:43:00 UTC 2010

Hi Lori,

I had sent a mail to Stefan earlier but not to the LFG list. There are a 
number of treebank-based LFG systems developed at the NCLT in DCU as 
part of the GramLab project for a number of languages for parsing and 
generation (some core references below).

A demo with one of the resources for English is available at

http://lfg-demo.computing.dcu.ie/lfgparser.html

Some of the the PhD theses are available at 
http://www.nclt.dcu.ie/gramlab/ but this site needs updating.

Regards,

Josef

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1. Parsing

English - Penn-II treebank:

Aoife Cahill, Michael Burke, Ruth O'Donovan, Stefan Riezler, Josef van 
Genabith and Andy Way. 2008. /Wide-Coverage Deep Statistical Parsing 
using Automatic Dependency Structure Annotation /in Computational 
Linguistics, Vol. 34, No. 1, pages 81-124

Ruth O'Donovan, Michael Burke, Aoife Cahill, Josef van Genabith and Andy 
Way. 2005. Large-Scale Induction and Evaluation of Lexical Resources 
from the Penn-II and Penn-III Treebanks./ Computational Linguistics/, 
Volume 31, 3, MIT Press, pp328-365.

Aoife Cahill, Michael Burke, Ruth O'Donovan, Josef van Genabith, and 
Andy Way. Long-Distance Dependency Resolution in Automatically Acquired 
Wide-Coverage PCFG-Based LFG Approximations. In /ACL-04, Proceedings of 
the 42nd Annual Meeting of the Association for Computational 
Linguistics/, July 21-26 2004, Barcelona, Spain, pages 320-327

German TiGer:

Ines Rehbein and Josef van Genabith. 2009. Automatic acquisition of LFG 
resources for German – as good as it gets. In LFG09, /Proceedings of the 
14^th International LFG Conference/, Cambridge, U.K., 2009, CSLI 
Publications, Stanford University, USA, pp. 480-500.

Aoife Cahill, Michael Burke, Martin Forst, Ruth O'Donovan, Christian 
Rohrer, Josef van Genabith, Andy Way. 2005. Treebank-Based Acquisition 
of Multilingual Unification Grammar Resources. /Journal of Research on 
Language and Computation/, Volume 3, Number 2, Springer, pp247-279

French MFT/FTB

Natalie Schluter and Josef van Genabith, Dependency Parsing Resources 
for French: Converting Acquired Lexical Functional Grammar F-Structure 
Annotations and Parsing F-Structures Directly, in /Nodalida 2009 
Conference Proceedings/, 2009, (eds.) Kristiina Jokinen and Eckhard 
Bick, pp.166-173.

Natalie Schluter and Josef van Genabith, Treebank-Based Acquisition of 
LFG Parsing Resources for French, Proceedings of the Sixth International 
Language Resources and Evaluation (LREC'08) , pp.2909-2916, Marrakech, 
Morocco, May 28-30, 2008, ISBN 2-9517408-4-0

Natalie Schluter and Josef van Genabith. Preparing, Restructuring and 
Augmenting a French Treebank: Lexicalised Parsing or Coherent Treebanks? 
In /Proceedings of the 10^th Conference of the Pacific Association of 
Computational Linguistics/ PACLING 2007, Melbourne Australia

Spanish Cast3LB

Grzegorz Chrupala and Josef van Genabith, 2006, Using Machine-Learning 
to Assign Function Labels to Parser Output for Spanish. In 
/COLING-ACL’06, Proceedings of the Joint Conference of the International 
Committee on Computational Linguistics and the Association for 
Computational Linguistics 2006/, Sydney, Australia

Grzegorz Chrupala and Josef van Genabith, 2006, Improving Treebank-Based 
Automatic LFG Induction for Spanish, In /Proceedings of the 11^th 
International Conference on Lexical Functional Grammar/, 10-13 July, 
2006, Konstanz, Germany

Chinese CTB

Yuqing Guo, Haifeng Wang and Josef van Genabith, Recovering Non-Local 
Dependencies for Chinese, in /Proceedings of the Joint Conference on 
Empirical Methods in Natural Language Processing and Natural Language 
Learning/ (EMNLP-CoNLL 2007), Prague, Czech Republic. pp.257-26

Yuqing Guo, Josef van Genabith and Haifeng Wang: Acquisition of 
Wide-Coverage, Robust, Probabilistic Lexical-Functional Grammar 
Resources for Chinese. In /Proceedings of the 12^th International 
Conference on Lexical Functional Grammar/, July 28-30, 2007, Stanford, CA

Arabic ATB

Lamia Tounsi, Mohammed Attia and Josef van Genabith. 2009. Automatic 
Treebank-Based Acquisition of Arabic LFG Dependency Structures. 
/Proceedings of the// EACL-Workshop on Computational Approaches to 
Semitic Languages/, March 31, 2009, Athens, Greece, pp.45-52.

2. Generation

Yuqing Guo, Josef van Genabith and Haifeng Wang, 2008. Dependency-Based 
N-Gram Models for General Purpose Sentence Realisation. In /Proceedings 
of the 22th International Conference on Computational Linguistics 
(COLING 2008),/ pages 297-304. 18-22 August 2008, Manchester, UK.

Deirdre Hogan, Conor Cafferkey, Aoife Cahill and Josef van Genabith, 
Exploiting Multi-Word Units in History-Based Probabilistic Generation, 
in /Proceedings of the Joint Conference on Empirical Methods in Natural 
Language Processing and Natural Language Learning/ (EMNLP-CoNLL 2007), 
Prague, Czeck Republic. pp.267-276

Aoife Cahill and Josef van Genabith. Robust PCFG-Based Generation using 
Automatically Acquired LFG Approximations, In /COLING-ACL’06, 
Proceedings of the Joint Conference of the International Committee on 
Computational Linguistics and the Association for Computational 
Linguistics 2006/, Sydney, Australia, pages 1033-1040, ,ISBN 1-932432-65-5

Lori Levin wrote:
> Stefan et al.,
>
> Do any of the implemented LFG systems use statistical methods or 
> machine learning?   Also, is there any machine learning or grammar 
> induction from treebanks?  Just curious.
>
>
> --Lori
>
>
> Lori Levin
> Language Technologies Institute
> Carnegie Mellon University
>
>
>
> Martin Forst wrote:
>> Hi Stefan,
>>
>>> • Deutsch (Rohrer: 1996, Berman: 1996, Kuhn und Rohrer: 1997, Forst:
>>> 2006, Forst und Rohrer: 2009)
>>
>> There are probably more (and better) references for the German 
>> ParGram LFG. An important one is Dipper (2003); another one, which 
>> gives a good overview of the state of affairs at the time, is Rohrer 
>> & Forst (2006).
>>
>>> • Spanisch
>>
>> There is a company in Seville that seems to have their own Spanish 
>> (and English?) grammar(s) as well as their own processing platform. 
>> They were at a ParGram meeting a few years ago, which I missed, so I 
>> don't know any details or references.
>>
>> Apart from that, I have a little Spanish grammar, but it's very 
>> phenomenon-driven, not broad-coverage by any means and not documented 
>> anywhere, let alone in publications.
>>
>>> • Vietnamesisch
>>
>> As far as I know, the ParGram community hasn't heard from our 
>> Vietnamese partners in a long time. Not sure how far that grammar has 
>> ever come along...
>>
>> I hope this helps.
>>
>> Schöne Grüße
>>
>> Martin

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