Research Interests

Projects

• The ONR project on natural language coaching during simulator practice, for shiphandling with the Navy COVE simulator
• The Army Research Institute project on a battle captain training system, providing the spoken dialogue interface to a simulator developed by Stottler-Henke.

Publications

Tutorial Dialogue on Military Simulation Performance

• Challenges in Interpreting Spoken Military Commands and Tutoring Session Responses. Elizabeth Owen Bratt, Karl Schultz, and Stanley Peters. Proceedings of Grammar Engineering across Frameworks 2007, in the series Studies in Computational Linguistics ONLINE, CSLI Publications, July 2007.
• Responding to Student Uncertainty in Spoken Tutorial Dialogue Systems. Heather Pon-Barry, Karl Schultz, Elizabeth Owen Bratt, Brady Clark, and Stanley Peters. In International Journal of Artificial Intelligence in Education (IJAIED) Volume 16, 171-194. Special Issue "Best of ITS 2004" (editors James Lester, Rosa Maria Vicari and Fabio Paraguaçu). (2006)
• Empirical Foundations for Intelligent Coaching Systems. Elizabeth Owen Bratt, Karl Schultz, Stanley Peters, Tina Chen, and Heather Pon-Barry. In Proceedings of the Interservice/Industry Training, Simulation & Education Conference. November 28-December 1, 2005, Orlando FL, USA.
• Contextualizing Reflective Dialogue in a Spoken Conversational Tutor. Heather Pon-Barry, Brady Clark, Karl Schultz, Elizabeth Owen Bratt, Stanley Peters, and David Haley. Journal of Educational Technology & Society, Vol. 8, Issue 4. pp. 42-51, 2005.
• Spoken Dialogue for Simulation Control and Conversational Tutoring. Elizabeth Owen Bratt, Karl Schultz and Brady Clark. In Demonstration Papers at HLT-NAACL 2004.
• Intelligent Systems for Training Damage Control Assistants. Stanley Peters, Elizabeth Owen Bratt, Brady Clark, Heather Pon-Barry, Karl Schultz. To be in Proceedings of I/ITSEC 2004. Orlando, Florida.
• Evaluating the Effectiveness of SCoT: a Spoken Conversational Tutor. Heather Pon-Barry, Brady Clark, Elizabeth Owen Bratt, Karl Schultz, and Stanley Peters. In Proceedings of ITS 2004 Workshop on Dialogue-based Intelligent Tutoring Systems. August 2004. Maceio, Brazil.
• Advantages of Spoken Language in Dialogue-based Tutoring Systems. Heather Pon-Barry, Brady Clark, Karl Schultz, Elizabeth Owen Bratt, and Stanley Peters. In Proceedings of ITS 2004, 7th International Conference on Intelligent Tutoring Systems. August 2004. Maceio, Brazil.
• Contextualizing Learning in a Reflective Conversational Tutor. Heather Pon-Barry, Brady Clark, Karl Schultz, Elizabeth Owen Bratt, and Stanley Peters. In Proceedings of The 4th IEEE International Conference on Advanced Learning Technologies. August 2004. Joensuu, Finland.
• A Scalable, Reusable Spoken Conversational Tutor: SCoT. Karl Schultz, Elizabeth Owen Bratt, Brady Clark, Stanley Peters, Heather Pon-Barry, and Pucktada Treeratpituk. In AIED 2003 Supplementary Proceedings (Vincent Aleven, Ulrich Hoppe, Judy Kay, Riichiro Mizoguchi, Helen Pain, Felisa Verdejo, and Kalina Yacef, eds.). University of Sydney. 2003. 367-377.
• Intelligent Tutoring for Non-Deterministic and Dynamic Domains. Zack Thomsen-Gray, Karl Schultz, Brady Clark, Elizabeth Owen Bratt, and Stanley Peters. In Artificial Intelligence in Education (Ulrich Hoppe, Felisa Verdejo, and Judy Kay, eds.). Amsterdam: IOS Press. 2003. 506-508.
• SCoT: A Model of Conversational and Tutorial Intelligence. Brady Clark, Elizabeth Owen Bratt, Stanley Peters, Karl Schultz, and Martha Evens. In Proceedings of the 25th Annual Meeting of the Cognitive Science Society. 2003.
• "Interactive Spoken Simulation Control and Conversational Tutoring" (IJCAI demonstration) by Karl Schultz, Brady Clark, Elizabeth Owen Bratt, Stanley Peters, Heather Pon-Barry, Pucktada Treeratpituk, Zack Thomsen-Gray, David C. Wilkins, David M. Friend, and Eugene Grois
• A General Purpose Architecture for Intelligent Tutoring Systems. Brady Clark, Elizabeth Owen Bratt, Oliver Lemon, Stanley Peters, Heather Pon-Barry, Zack Thomsen-Gray, and Pucktada Treeratpituk. ( postscript   pdf.) Proceedings of the International CLASS Workshop on Natural, Intelligent and Effective Interaction in Multimodal Dialogue Systems. June 28-29, 2002. Copenhagen, Denmark.
• Model-Based Reasoning for Tutorial Dialogue in Shipboard Damage Control Elizabeth Owen Bratt, Brady Clark, Zack Thomsen-Gray, Stanley Peters, Pucktada Treeratpituk, Heather Pon-Barry, Karl Schultz, David C. Wilkins, and David Fried. In Model Based Systems and Qualitative Reasoning for Intelligent Tutoring Systems, Bert Bredeweg (ed.). International workshop at ITS 2002, June 2nd, 2002. San Sebastian, Spain. 63-69.

Targeted Help for Dialogue System Users

• John Dowding, Gregory Aist, Beth Ann Hockey, and Elizabeth Owen Bratt. Generating canonical examples using candidate words. In Reva Freedman and Charles Callaway, editors, Working Papers of the 2003 AAAI Spring Symposium on Natural Language Generation in Spoken and Written Dialogue, pages 23-27. AAAI Press, Menlo Park, California, 2003.

Communicator: Telephone-based Dialogue Seeking Travel Information

• M. Walker, R. Passonneau, J. Aberdeen, J. Boland, E. Bratt, J. Garofolo, L. Hirschman, A. Le, S. Lee, S. Narayanan, K. Papineni, B. Pellom, J. Polifroni, A. Potamianos, P. Prabhu, A. Rudnicky, G. Sanders, S. Seneff, D. Stallard, S. Whittaker. Cross-Site Evaluation in DARPA Communicator: The June 2000 Data Collection Submitted to Computer Speech and Language , 2002.
• M. Walker, A. Rudnicky, J. Aberdeen , E. Bratt, J. Garofolo, H. Hastie, A. Le, B. Pellom, A. Potamianos, R. Passonneau, R. Prasad, S. Roukos, G. Sanders, S. Seneff and D. Stallard. DARPA Communicator Evaluation: Progress from 2000 to 2001. In ICSLP 2002.
• M. Walker, A. Rudnicky, R. Prasad, J. Aberdeen , E. Bratt, J. Garofolo, H. Hastie, A. Le , B. Pellom, A. Potamianos, R. Passonneau, S. Roukos, G. Sanders, S. Seneff, D. Stallard. DARPA Communicator: Cross-System Results for the 2001 Evaluation. In ICSLP 2002.
• DARPA Communicator Dialog Travel Planning Systems: The June 2000 Data Collection, by M. Walker, J. Aberdeen, J. Boland, E. Bratt, J. Garofolo, L. Hirschman, A. Le, S. Lee, S. Narayanan, K. Papineni, B. Pellom, J. Polifroni, A. Potamianos, P. Prabhu, A. Rudnicky, G. Sanders, S. Seneff, D. Stallard and S. Whittaker,EUROSPEECH 2001.

CommandTalk: Command and Control Dialogue for Military Simulation in ModSAF

• Syntactic and Semantic Input to Prosodic Markup in CommandTalk Elizabeth Owen Bratt and John Dowding. In Natural Language Generation in Spoken and Written Dialogue, Papers from the 2003 AAAI Spring Symposium. Reva Freedman and Charles Callaway (eds). Technical Report SS-03-06. American Association for Artificial Intelligence, Menlo Park, California. ( postscript )
• "Compiling Language Models from a Linguistically Motivated Unification Grammar", 2000, by Manny Rayner, Beth Ann Hockey, Frankie James, Elizabeth Owen Bratt, Sharon Goldwater, and Jean Mark Gawron, Proceedings of the 18th International Conference on Computational Linguistics (Coling '00), Luxembourg, Saarbrücken, Germany, and Nancy, France. July 31 - August 4, 2000. postscript   pdf
• "Corpus-based optimization of language models derived from unification grammars", 2000, by M. Rayner, B.A. Hockey, F. James, H. Bratt, E.O. Bratt, M. Gawron, S. Goldwater, J. Dowding, and A. Bhagat. RIACS Technical Report #00.08. pdf
• "Building a Robust Dialogue System with Limited Data", 2000, by Sharon J. Goldwater, Elizabeth Owen Bratt, Jean Mark Gawron, and John Dowding, presented at the Workshop on Conversational Systems at the 1st Meeting of the North American Chapter of the Association for Computational Linguistics, Seattle, WA. postscript   pdf
• "The CommandTalk Spoken Dialogue System", 1999, by Amanda Stent, John Dowding, Jean Mark Gawron, Elizabeth Owen Bratt and Robert Moore, in "Proceedings of the Thirty-Seventh Annual Meeting of the ACL", pp. 183-190, University of Maryland, College Park, MD, Association for Computational Linguistics
• "Interpreting Language in Context in CommandTalk", 1999, by John Dowding and Elizabeth Owen Bratt and Sharon Goldwater, in "Communicative Agents: The Use of Natural Language in Embodied Systems", pp. 63-67, Association for Computing Machinery (ACM) Special Interest Group on Artificial Intelligence (SIGART), Seattle, WA
• How Natural Inputs Aid Interaction in Graphical Simulations?, 1998, by L. Julia, A. Cheyer, J. Dowding, H. Bratt, J. Gawron, E. Bratt, and R. Moore, VSMM '98, Gifu, Japan.

Korean Syntax in HPSG

• ``Clause Structure and Case Marking in Korean Causatives'', 1993, by Elizabeth Owen Bratt, Proceedings of the 1993 Harvard International Symposium on Korean Linguistics, Susumu Kuno et al. (eds.), 241-251. Seoul: Hanshin Publishing Company.

Dissertation

• Argument Composition and the Lexicon: Lexical and Periphrastic Causatives in Korean, December 1996, Stanford University.
  • Dissertation Abstract (text)
  • Dissertation in Gzipped Postscript (728K)
  • Dissertation in PDF (1.6Meg)

Professional Affiliations

• Association for Computational Linguistics
• International Artificial Intelligence in Education Society
• Association for the Advancement of Artificial Intelligence
• Linguistic Society of America

Education

• 1997 PhD, Linguistics, Stanford University
• 1990 AM, Linguistics, Stanford University
• 1987 AB, Linguistics, University of Michigan, Ann Arbor