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Subject: [ E-Announce ] Call for Participation: Multilingual Word Sense Disambiguation (SemEval 2013 - Task 12)
From: <jurgens_(on)_di.uniroma1.it>
Date received: 04 Feb 2013
Deadline: 15 Feb 2013
Start date: -

Call For Participation

Multilingual Word Sense Disambiguation SemEval 2013 - Task #12


The aim of this task is to evaluate Word Sense Disambiguation
systems in an all-words multilingual setting.


Task 12 provides a traditional setup for evaluating Word Sense
Disambiguation (WSD) systems in an all-words, multilingual
setting by marking occurrences of potentially polysemous words in
five different languages (English, French, German, Italian,
Spanish) with sense labels provided by a multilingual sense
inventory. To enable multilinguality we make use of the BabelNet
sense inventory [1], a wide-coverage semantic network built by
merging WordNet with Wikipedia to provide an "encyclopedic
dictionary." BabelNet concepts are lexicalized in many languages
using Wikipedia's inter-language links and the output of a
state-of-the-art machine translation system. Task 12 will use a
validated version of BabelNet 1.1 (http://babelnet.org) in which
the Wikipedia-WordNet mappings of all senses of lemmas in the
test data have been manually verified.


Participants are free to work on the full BabelNet sense
inventory or to work on either of its inventory subsets, i.e.
WordNet 3.0 or Wikipedia page titles. They are also free to
participate using a single language of their choice or all five


Following the traditional WSD "all-words" experimental setting
[2], systems will be expected to link all occurrences of noun
phrases within arbitrary texts in different languages to the most
suitable senses in the sense inventory of their choice. For
instance, given the sentence:

    The dramatic force of Miller's play derives in part from
    expressionistic techniques he used to portray Loman's
    psychological anguish and guilt-ridden fantasy life.

a disambiguation system should link "Miller" to any of (1) the
BabelNet synset for Arthur Miller, (2) the Wikipedia sense
corresponding to the page
http://en.wikipedia.org/wiki/Arthur_Miller, or (3) Miller#n#3
(i.e. the third WordNet sense for Miller), depending on the
participant's choice of sense inventory. Note that the BabelNet
synset will contain where applicable both the Wikipedia page and
the WordNet synset in its representation.

Participants will be evaluated in groups based on their choice of
sense inventory and target language. All the information about
the submitted systems (such as training data, resources, etc.
used by the system) will be reported in the task paper.


No training data will be provided as a part of this task;
however, participants are allowed to use any freely available
training data for building their system.

For annotating the test set, by mid-February we will provide a
gold standard version of BabelNet 1.1 where all synsets used in
the test data have been manually verified for correctness.


February 15, 2013 - Registration Deadline March 1, 2013 onwards -
Start of evaluation period March 15, 2013 - End of evaluation
period April 9, 2013 - Paper submission deadline [TBC] April 23,
2013 - Reviews Due [TBC] May 4, 2013 - Camera ready Due [TBC]


The Semeval-2013 Task #12 website, for signup and details, is:


If interested in the task please join our mailing list for


ORGANIZERS Roberto Navigli (lastname_(at)_di.uniroma1.it), Sapienza
University of Rome, Italy David Jurgens
(lastname_(at)_di.uniroma1.it), Sapienza University of Rome, Italy

1. Roberto Navigli & Simone Paolo Ponzetto. BabelNet: The
   automatic construction, evaluation and application of a
   wide-coverage multilingual semantic network. Artificial
   Intelligence, 193, 2012, pp. 217-250.
2. Roberto Navigli. Word Sense Disambiguation: A survey. ACM
   Computing Survey, 41(2), ACM Press, 2009, pp. 1-69.

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