[Talks] Brown CS Thesis Defense: Niyu Ge talk in Lubrano on 5/8/2000 at 10:00 AM

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			  CS Thesis Defense
		  The Department of Computer Science
			   BROWN UNIVERSITY

			       presents

			       Niyu Ge
			    

		  Monday, May 8, 2000 at 10:00 AM

	       Lubrano Conference Room (CIT 4th floor)

		  

		``An Approach To Anaphoric Pronouns''

			       
			       Abstract


The correct interpretation of anaphoric pronouns is an important
problem for many Natural Language Processing (NLP) applications such
as information retrieval, intelligent user interfaces, machine
translation, topic identification, and many more.

While there is an extensive literature on anaphoric pronoun
resolution, there are remarkably few wide coverage programs in the
area.  There are two main objectives of this thesis: the first is to
present a computational approach to anaphora resolution that overcomes
many of the shortcomings of the previous approaches, and the second is
to show the relative importance of the factors involved in anaphora
resolution and proposes a core set of factors which are essential.

The anaphora resolution system we built is based on a probabilistic
model.  This model combines different linguistic evidence in a
statistical framework.  Our system is completely automatic, uses a
very small training set, and achieves a very competitive success rate
of 92.2%.


  
		     Host: Professor Eugene Charniak