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LINGUIST List 21.723

Thu Feb 11 2010

Calls: Computational Ling, Psycholing/Sweden

Editor for this issue: Kate Wu <katelinguistlist.org>

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        1.    Mariona Taule, ACL 2010 Workshops: SemEval-2010
Message 1: ACL 2010 Workshops: SemEval-2010
Date: 11-Feb-2010
From: Mariona Taule <mtauleub.edu>
Subject: ACL 2010 Workshops: SemEval-2010
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Full Title: ACL 2010 Workshops: SemEval-2010

Date: 15-Jul-2010 - 16-Jul-2010
Location: Uppsala, Sweden
Contact Person: David Traum
Meeting Email: workshopsacl2010.org
Web Site: http://acl2010.org/workshops.html

Linguistic Field(s): Computational Linguistics; Psycholinguistics

Call Deadline: 02-Apr-2010

Meeting Description:

Cognitive Modeling and Computational Linguistics (CMCL) and TopiCS special issue
Models of Language Comprehension
July 15th, 2010

A workshop to be held following the Association for Computational Linguistics
meeting in Uppsala, Sweden
http://cmcl.ling.cornell.edu

Call for Papers

SemEval-2010

Task1: Coreference Resolution in multiple languages
(http://stel.ub.edu/semeval2010-coref/)

The purpose of this e-mail is to encourage participation in the task
"Coreference Resolution in multiple languages" in the 5th International Workshop
on Semantic Evaluations, SemEval-2010 http://semeval2.fbk.eu/semeval2.php.

General Task Description
Using coreference information has been shown to be beneficial in a number of NLP
applications including Information Extraction, Text Summarization, Question
Answering and Machine Translation. This task is concerned with automatic
coreference resolution for six different languages: Catalan, Dutch, English,
German, Italian and Spanish. Two tasks are proposed for each of the languages:
- Full task. Detection of full coreference chains, composed by named entities,
pronouns, and full noun phrases.
- Subtask. Pronominal resolution, i.e., finding the antecedents of the pronouns
in the text. In particular, we aim:

(i) To study the portability of coreference resolution systems across languages
(Catalan, Dutch, English, German, Italian, Spanish)
- To what extent is it possible to implement a general system that is portable
to the three languages?
- How much language-specific tuning is necessary?
- Are there significant differences between Germanic and Romance languages? And
between languages of the same family?
(ii) To study how helpful morphology, syntax and semantics are to solve
coreference relations.
- How much preprocessing is needed?
- How much does the quality of the preprocessing modules (perfect linguistic
input vs. noisy automatic input) affect the performance of state-of-the-art
coreference resolution systems?
- Is morphology more helpful than syntax? Or semantics? Or is syntax more
helpful than semantics?
(iii) To compare four different evaluation metrics (MUC, B-CUBED, CEAF and
BLANC) for coreference resolution.
- Do all evaluation metrics provide the same ranking? Is there one that provides
a more accurate picture of a system's accuracy?
- Is there a strong correlation between them?
- Can statistical systems be optimized under all four metrics at the same time?
Although we target at general systems addressing the full multilingual task, we
will allow taking part in any full/sub-task of any language.

Organizers
- Véronique Hoste (Hogeschool Gent)
- Lluís Màrquez (TALP, Universitat Politècnica de Catalunya)
- M. Antònia Martí (CLiC, University of Barcelona)
- Massimo Poesio (University of Essex / Università di Trento)
- Marta Recasens (CLiC, University of Barcelona)
- Emili Sapena (TALP, Universitat Politècnica de Catalunya)
- Mariona Taulé (CLiC, University of Barcelona)
- Yannick Versley (Universität Tübingen)

Important Dates
Training data release: February 10, 2010 (from http://semeval2.fbk.eu/semeval2.php)
Deadline for submission of systems: April 2, 2010

Venue
The Workshop will be held in conjunction with ACL July 11-16, Uppsala,
http://acl2010.org
For more information, please visit: http://stel.ub.edu/semeval2010-coref/
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