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[eu_members at aclweb dot org] Greece: EACL 2009 -- Workshop on GEMS : GEometrical Models of Natural Language Semantics -- 2nd CFP



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                                           2nd CALL FOR PAPERS

                                          EACL 2009 Workshop
                 GEMS : GEometrical Models of Natural Language Semantics
                       Athens, Greece; March 30 or 31, 2009

                                  URL: http://art.uniroma2.it/gems/

                     **** Submission Deadline:  December 19, 2008 ****
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Distributional models and semantic spaces represent a core topic in
contemporary computational linguistics for their impact on advanced tasks and
on other knowledge fields (such as social science and the humanities).

The goal of the GEMS workshop is to further stimulate research on semantic
spaces  and distributional methods for NLP, by adopting an interdisciplinary
approach to allow a proper exchange of ideas, results and resources among
often independent  communities. In particular, the workshop will provide a
common ground for a fruitful discussion among experts of distributional
approaches, collocational corpus analysis and machine learning; researchers
interested in the use of statistical models in NLP applications (e.g. question
answering, summarization and textual entailment) and in other fields of
science; and experts in formal computational semantics.

The workshop aims at gathering contemporary contributions to large scale
problems in meaning representation, acquisition and use, based on
distributional and vector space models. The workshop aims also to shed
new light on the use of such  techniques  on complex linguistic tasks,
such as linguistic knowledge acquisition, semantic role labeling,
textual entailment recognition, question answering, document
understanding/summarization and ontology learning.


TOPICS OF INTEREST

We invite submissions on any topic of current interest related to the
application of semantic spaces to NLP and related disciplines, such as:

   - Document-based, Collocational and Syntagmatic spaces
   - Eigenvector methods (e.g. Singular Value and Tucker Decomposition)
   - Higher order tensors and Quantum Logic extensions
   - Feature engineering in machine learning models
   - Computational complexity and evaluation issues
   - Graph-based models over semantic spaces
   - Logic and inference in semantic spaces
   - Psychological and cognitive theories of semantic space models
   - Applications in the humanities and social sciences

We also especially encourage submissions on the empirical  evaluation of the
above computational models within the  following NLP tasks:

   - Word sense disambiguation and discrimination
   - Selectional preference induction
   - Acquisition of lexicons and linguistic patterns
   - Conceptual clustering
   - Kernels methods for NLP (e.g. relation extraction and textual entailment)
   - Quantitative extensions of Formal Concept Analysis
   - Modeling of linguistic theories and ontological knowledge


SUBMISSION INSTRUCTIONS

Authors are invited to submit papers on original, unpublished work in the
topic area of this workshop. In addition to long papers presenting completed
work, we also invite short papers and demos:

   - Long papers should present completed work and should not exceed 8 pages.
   - Short papers/demos can present work in progress or the description of
      a system, and should not exceed 5 pages.

One more page is eventually allowed for bibliographic references only.
As reviewing will be blind, please ensure that papers are  anonymous.  The
papers  should not include the authors' names and affiliations or any
references to web sites, project names etc. revealing  the authors' identity.
Self-references that reveal the author's identity,  e.g., "We previously
showed (Smith, 1991) ...", should be avoided.  Each submission will be
reviewed by at least two members of the program committee.  Accepted papers
will be published in the workshop proceedings.

All submissions are to be formatted using the EACL 2009 stylefiles
(see EACL 2009 page at: http://www.eacl2009.gr/conference/authors).
Submission will be electronic, via the Web-service at:
http://art.uniroma2.it/gems/submission.html
Please consult the Workshop web page for more details.


IMPORTANT DATES

Submission deadline: December 19, 2008
Notification of acceptance: January 30, 2009
Camera-ready papers due: February 13, 2009
Workshop: either March 30 or 31, 2009 (to be announced)


WORKSHOP CHAIRS

   - Roberto Basili, University of Roma Tor Vergata, Italy
   - Marco Pennacchiotti, Saarland University, Germany


PROGRAM COMMITTEE

   - Marco Baroni, University of Trento, Italy
   - Johan Bos, University of Roma La Sapienza, Italy
   - Paul Buitelaar, DFKI, Germany
   - John A. Bullinaria, University of Birmingham, UK
   - Rodolfo Dal Monte, University of Venice, Italy
   - Katrin Erk, University of Texas, US
   - Stefan Evert, University of Osnabruck, Germany
   - Alfio Massimiliano Gliozzo, Reinvent Technology Inc., Canada
   - Jerry Hobbs, University of Southern California, US
   - Alessandro Lenci, University of Pisa, Italy
   - Jussi Karlgren, Swedish Institute of Computer Science, Sweden
   - Will Lowe, University of Nottingham, UK
   - Diana McCarthy, University of Sussex, UK
   - Alessandro Moschitti, University of Trento, Italy
   - Saif Mohammad, University of Maryland, US
   - Sebastian Pado, Stanford University, US
   - Patrick Pantel, Yahoo! Research, US
   - Massimo Poesio, University of Trento, Italy
   - Magnus Sahlgren, Swedish institute of Computer Science, Sweden
   - Fabrizio Sebastiani, CNR, Italy
   - Suzanne Stevenson, University of Toronto, Canada
   - Sabine Schulte imWalde, University of Stuttgart, Germany
   - Peter D. Turney, National Research Council Canada, Canada
   - Dominic Widdows, Google Research, US
   - Yorick Wilks, University of Sheffield, UK
   - Fabio Massimo Zanzotto, University of Roma Tor Vergata, Italy


CONTACTS

Roberto Basili (principal contact)
  Department of Computer Science
  University of Roma Tor Vergata
  Italy
  basili at info dot uniroma2 dot it

Marco Pennacchiotti
  Computational Linguistics
  Saarland University
  Germany
  pennacchiotti at coli dot uni-sb dot de