Previous Research in NLP and Statistical Language Modeling

Research Projects

• Linguistic Priors: incorporating linguistic priors into statistical models of language.
  Advisor: Roni Rosenfeld, Computer Science Department, Carnegie Mellon University, Fall 2001 - Spring 2002. [overview]

• Semantic Coherence: learning a semantic coherence function from large corpora.
  Advisor: Roni Rosenfeld, Computer Science Department, Carnegie Mellon University, Spring 2000. [overview]

• How May I Help You, a spoken dialogue system.
  Supervisor: Jerry Wright, Speech and Image Processing Lab, AT&T Labs, Summer 2000. [high level description of system]

• Novelty Detection, tracking topics of news stories to detect novelty in the news.
  Advisor: James Allan, Center for Language and Speech Processing, Johns Hopkins University, Summer 1999. [website]

• Intelligent Wheelchair, developing a speech interface to the intelligent wheelchair.
  Advisors: Mary Dee Harris and Raymond Mooney, Computer Science Department, Univ of Texas at Austin, Spring 1999. [website]

• Document Categorization, partition-based clustering for web document categorization.
  Advisors: Maria Gini and Dan Boley, Computer Science Department, University of Minnesota, Summer 1998. [website]

Technical Reports and Publications:

• Using WordNet to Supplement Corpus Statistics, with Roni Rosenfeld. Unpublished Manuscript. Dec 2002. [pdf]

• Learning Within-Sentence Semantic Coherence, with Elena Eneva and Lucian Lita. In 2001 Empirical Methods in Natural Language Processing (EMNLP 2001). July 2001. [ps]

• Topic-based Novelty Detection 1999 Summer Workshop at CLSP Final Report, with James Allan, Hubert Jin, Martin Rajman, Charles Wayne, Daniel Gildea, Victor Lavrenko, and David Caputo. Aug 1999. [ps]

Presentations:

• Nov 2002. Using WordNet to Supplement Corpus Statistics. Sphinx Speech Recognition Seminar. [pdf, ps]

• June 2001. Learning Within-Sentence Semantic Coherence. EMNLP. [ppt]

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