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<h1>Unsupervised segmentation of words into morphemes -- Challenge 2005</h1>

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<p><small>Part of the <a href="http://www.pascal-network.org/Challenges/">EU Network of
Excellence PASCAL Challenge Program</a>.
Participation is open to all.</small></p>

<p>The objective of the Challenge is to design a statistical machine
learning algorithm that segments words into the smallest
meaning-bearing units of language, morphemes. Ideally, these are basic
vocabulary units suitable for different tasks, such as text
understanding, machine translation, information retrieval, and
statistical language modeling.

<p>The scientific goals are:

<ul>
  <li>To learn of the phenomena underlying word construction in
   natural languages
  <li>To discover approaches suitable for a wide range of languages
  <li>To advance machine learning methodology
</ul>


<p>The results will be presented in a <a href="workshop.shtml">workshop</a> arranged in connection
with other PASCAL challenges on machine learning. 

<p>Please read the <a href="rules.shtml">rules</a> and see the <a
href="schedule.shtml">schedule</a>. The <a
href="datasets.shtml">datasets</a> are available for
download. Instructions on how to <a
href="rules.shtml#submission">submit your camera-ready documents</a> are given on the
<a href="workshop.shtml">Workshop</a> page.


<p>We are looking forward to an interesting competition!</p>

<p><blockquote>
<i>Mikko Kurimo, Mathias Creutz and Krista Lagus</i><br>
Neural Networks Research Centre, Helsinki University of Technology<br>
The organizers 
</blockquote></p>

<a name="pc"><h2>Program comittee</h2></a>

<p><blockquote>
  Levent Arslan, Bo&#287;azi&#231;i University 
  <br>Samy Bengio, IDIAP
  <br>Tolga Cilogu, Middle-East Technical University
  <br>John Goldsmith, University of Chicago 
  <br>Kadri Hacioglu, Colorado University
  <br>Chun Yu Kit, City University of Hong Kong 
  <br>Dietrich Klakow, Saarland University 
  <br>Jan Nouza,Technical University of Liberec
  <br>Erkki Oja, Helsinki University of Technology
  <br>Richard Wicentowski, Swarthmore College
  <br>Murat Saraclar, Bo&#287;azi&#231;i University 
</blockquote></p>

<h2>References</h2>

<blockquote>
  Mathias Creutz and Krista Lagus (2005). <b>Unsupervised Morpheme Segmentation and Morphology Induction
  from Text Corpora Using Morfessor 1.0.</b> Publications in Computer and
  Information Science, Report A81, Helsinki University of Technology,
  March. <br><a
  href="http://www.cis.hut.fi/mcreutz/papers/Creutz05tr.pdf">[&nbsp;Article (PDF)&nbsp;]</a>

<p>
  Teemu Hirsim&auml;ki, Mathias Creutz, Vesa Siivola, Mikko Kurimo,
  Janne Pylkk&ouml;nen, and Sami Virpioja (2005). <b>Unlimited vocabulary
  speech recognition with morph language models applied to Finnish.</b>
  Preprint accepted for publication in <a href="http://www.elsevier.com/wps/find/journaldescription.cws_home/622808/description#description">Computer Speech and Language</a>.
<br><a
  href="hirsimaki05csl.pdf">[&nbsp;Article (PDF)&nbsp;]</a>
</blockquote>


<!-- <p> The Challenge Poster [PDF, text]</p> -->

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