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[eu_members at aclweb dot org] Colorado: NAACL HLT 2009 -- Workshop CFP: Unsupervised and Minimally Supervised Learning of Lexical Semantics -- 2nd CFP

Apologies for multiple postings.

Call for Papers - NAACL HLT 2009 Workshop on
Unsupervised and Minimally supervised Learning of Lexical Semantics

June 5, 2009, Boulder, Colorado, USA

Submission deadline: March 15, 2009

The aim of the workshop is to bring together researchers working in topics related to the unsupervised and minimally supervised learning of the semantics of lexical items. These include learning of word meanings, learning of lexical relationships (e.g. hyponym, meronym, antonym learning), learning of idiomatic and multi-word expressions, learning of bilingual lexicons etc.

Each of these topics have so far been covered in diverse venues eg. WordNet conferences, SemEval, EMNLP etc. but has lacked a focussed venue that brings together the issues and methods relevant to lexical semantics within a single venue. In the past few years there has been a surge of interest in unsupervised and minimally supervised methods in natural language processing. The proposed worshop will help focus on methods that are suitable in learning of lexical semantics.

The workshop format would help speedup development in this area as it will make it accessible to both experienced researchers and new PhD graduates working in the field. Another purpose of the workshop will be to make available the workshop proceedings that should serve as a review of the current state-of-the-art in the field.

The scope of the workshop will be limited to topics that cover unsupervised and minimally supervised methods relevant to learning of lexical semantics. The following is a list of potential topics:

 * representation, feature selection and parameter tuning for
   representating word meanings e.g. bag-of-words context window,
   syntactic dependency (e.g. verb-direct object), methods for
   feature selection (e.g. log likelihood vs mutual information),
   issues dealing with sense conflation, measures of similarity (e.g.
   distributional similarity), smoothing techniques

 * unsupervised and minimally supervised induction of word senses
   including senses of both single word and multi-word lexical items
   e.g. uniform methods for both single and multi-word lexical items,
   methods for detecting near synonyms, issues focussing on
   minimising manual parameter tuning

 * unsupervised and minimally supervised learning of lexical
   relations e.g. learning of hyponomy, antonomy, noun-adjective,
   meronomy relations

 * unsupervised and minimally supervised learning of bilingual
   lexicon e.g. bootstrapping methods for extending a small bilingual
   lexicon, use of cognates in unsupervised bilingual lexicon extraction.

Important Dates
 * Submission deadline: March 15, 2009
 * Notification of acceptance: April 5, 2009
 * Camera-ready papers due: April 12, 2009
 * Workshop: June 05, 2009

Submission Guidelines

Papers will be accepted on or before 15 March  in PDF or Postscript formats. Details of the electronic submission mechanism will be made available via the workshop website located at http://www.cs.york.ac.uk/lls-workshop . Submissions should follow the NAACL HLT 2009 length and formatting requirements for full papers of eight (8) pages of content with one (1) extra page for references, found at http://clear.colorado.edu/NAACLHLT2009/stylefiles.html.

Workshop Website
More up-to-date information regarding the workshop can be found at the workshop web site:


Program Committee

Eneko Agirre, University of the Basque Country, Spain
Enrique Alfonseca, Google, Switzerland
Chris Biemann, Powerset, USA
Philipp Cimiano, TU Delft, The Netherlands
James Cussens, University of York, UK
Cristian Danescu Niculescu-Mizil, Cornell University, USA
Aria Haghighi, University of California, Berkeley, USA
Nancy Ide, Vassar College, USA
Kyo Kaguera, University of Tokyo, Japan
Ioannis Klapaftis, University of York, UK
Lillian Lee, Cornell University, USA
Suresh Manandhar, University of York, UK
Ted Pedersen, University of Minnesota, USA
German Rigua, University of the Basque Country, Spain
Carlo Strapparava, ITC-Irst, Italy
Fangzhong Su, University of Leeds, UK
David Weir, University of Sussex, UK