*** Apologies for multiple copies ***<br>..............................<br><br>S E C O N D C A L L F O R P A P E R S<br><br>TextGraphs-2 <br><br>NAACL/HLT 2007 Workshop<br>Graph-based Methods for Natural Language Processing
<br><br><a href="http://www.textgraphs.org/ws07" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
http://www.textgraphs.org/ws07</a><br><br>Rochester, NY, April 26, 2007<br> <br>Regular paper submission deadline: January 29
<br>.................................................<br><br>Recent years have shown an increased interest in bringing the field of<br>graph theory into Natural Language Processing. In many NLP
<br>applications entities can be naturally represented as nodes in a graph<br>and relations between them can be represented as edges. Recent<br>research has shown that graph-based representations of linguistic<br>units as diverse as words, sentences and documents give rise to novel
<br>and efficient solutions in a variety of NLP tasks, ranging from part<br>of speech tagging, word sense disambiguation and parsing to<br>information extraction, semantic role assignment, summarization and<br>sentiment analysis.
<br><br>This workshop builds on the success of the first TextGraphs workshop<br>at HLT-NAACL 2006. The aim of this workshop is to bring together<br>researchers working on problems related to the use of graph-based algorithms for natural
<br>language processing and on the theory of graph-based methods.<br>It will address a broader spectrum of research areas to foster<br>exchange of ideas and help to identify principles of using the graph<br>notions that go beyond an ad-hoc usage. Unveiling these principles will give rise to applying generic graph
<br>methods to many new problems that can be encoded in this framework.<br><br>We invite submissions of papers on graph-based methods applied to<br>NLP-related problems. Topics include, but are not limited to:<br><br>- Graph representations for ontology learning and word sense disambiguation
<br>- Graph algorithms for Information Retrieval, text mining and understanding<br>- Graph matching for Information Extraction<br>- Random walk graph methods and Spectral graph clustering<br>- Graph labeling and edge labeling for semantic representations
<br>- Encoding semantic distances in graphs<br>- Ranking algorithms based on graphs<br>- Small world graphs in natural language<br>- Semi-supervised graph-based methods<br>- Statistical network analysis and methods for NLP
<br><br>Submission format:<br><br>Submissions will consist of regular full papers of max. 8 pages and<br>short papers of max. 4 pages, formatted following the NAACL 2007<br>guidelines. Papers should be submitted using the online submission
<br>form: <a href="http://www.softconf.com/hlt/wstextgraphs/" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">http://www.softconf.com/hlt/wstextgraphs/</a><br><br>Important dates:<br><br>Regular paper submission January 29
<br>Short paper submissions February 4<br>Notification of acceptance February 22<br>Camera-ready papers March 1<br>Workshop April 26<br><br>Organizers:<br><br>Chris Biemann - University of Leipzig,
<a href="mailto:biem@informatik.uni-leipzig.de" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">biem@informatik.uni-leipzig.de</a><br>Irina Matveeva - University of Chicago, <a href="mailto:matveeva@cs.uchicago.edu" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
matveeva@cs.uchicago.edu</a> <br>Rada Mihalcea - University of North Texas,
<a href="mailto:rada@cs.unt.edu" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">rada@cs.unt.edu</a><br>Dragomir Radev - University of Michigan, <a href="mailto:radev@umich.edu" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
radev@umich.edu</a> <br><br>Invited Speaker:<br><br>Andrew McCallum, University of Massachusetts Amherst
<br><br><br>Program Committee:<br><br>Eneko Agirre, University of the Basque Country, Spain <br>Monojit Choudhury, Indian Institute of Technology <br>Diane Cook, Washington State University <br>Hal Daume III, University of Utah
<br>Gael Dias, Beira Interior University, Portugal <br>Gunes Erkan, University of Michigan <br>Michael Gamon, Microsoft Research <br>Bruno Gaume, IRIT, France <br>Andrew Goldberg, University of Wisconsin
<br>
Samer Hassan, University of North Texas <br>Hany Hassan, IBM, Egypt <br>Rosie Jones, Yahoo Research <br>Fabio Massimo Zanzotto, University of Rome, Italy <br>Andrew McCallum, University of Massachusetts Amherst
<br>Ani Nenkova, Stanford University <br>Patrick Pantel, USC Information Sciences Institute <br>Uwe Quasthoff, University of Leipzig <br>Aitor Soroa, University of the Basque Country, Spain <br>Simone Teufel, Cambridge University, UK
<br>Kristina Toutanova, Microsoft Research <br>Lucy Vanderwende, Microsoft Research <br>Dominic Widdows, Maya Design <br>Florian Wolf, F-W Consulting <br>Xiaojin Zhu, University of Wisconsin<br>