Ai, Hua
Email: hua AT cs.pitt.edu
Education:
l 5th Year Ph.D. student,
Intelligent Systems Program,
- GPA : 3. 87
l Master of
Intelligent Systems, Intelligent Systems Program,
- GPA : 3. 87
l Bachelor of Computer Science, Department of Computer Science, Shanghai Jiao Tong University, 2004
- GPA: 3.72
Research Experiences:
My research interests lie generally in spoken
dialogue systems, with a particular interest on user simulation for
dialogue manager design.
l Sept, 2007 – Current, working with Dr. Fuliang Weng on In-Car Spoken Dialog System Development (Research Intern at Bosch Research);
l Sept, 2005 – Current, working with Dr. Diane Litman on User Simulation for Tutoring Dialog Systems;
l May, 2006 – Aug, 2006, Working with Dr. David Traum on Using Information-State and Speech Recognition results to improve Dialogue move and parameter tagging in a spoken dialogue system (summer internship at USC/ICT)
Awards:
l 2008-2009, Mellon Fellowship, Intelligent Systems Program,
l 2005-2006, FSA Fellowship, Intelligent Systems Program,
l 2004-2005, FSA Fellowship, Intelligent Systems Program,
l 2003, Renmin Scholarship, Shanghai Jiao Tong University;
l 2001, Renmin Scholarship, Shanghai Jiao Tong University;
Publications:
l Ai, H. and Weng, Fuliang. 2008. User Simulation as
Testing for Spoken Dialog Systems. In Proc. 9th
SIGDial Workshop on Discourse and Dialogue, Ohio,
USA.
l Ai, H. and Litman, D. 2008. Assessing Dialog System User Simulation Evaluation Measures Using
Human Judges. In Proc. 46th ACL,
Ohio, USA.
l Ai, H.; Raux, A.; Bohus,
D.; Exkenazi, M.; and Litman,
D. 2007. Comparing Spoken
Dialog Corpora Collected with Recruited Subjects versus Real Users. In Proc. 8th SIGDial Workshop
on Discourse and Dialogue,
l Ai, H. and Litman, D. 2007. Knowledge Consistent User Simulations for Dialog Systems. In Proc. Interspeech 2007,
l Ai, H.; Roque, A.;
Leuski, A.; and Traum, D. 2007. Using Information State to Improve Dialogue Move Identification in
a Spoken Dialogue System. In Proc. Interspeech 2007,
l Hua Ai, Joel R. Tetreault, and Diane J. Litman.
2007. Comparing
User Simulation Models for Dialog Strategy Learning. In Proc. NAACL-HLT,
l Roque,
A.; Ai, H.; and Traum, D. 2006. Evaluation
of an Information State-Based Dialogue Manager.
Brandial 2006: The 10th Workshop on the
Semantics and Pragmatics of Dialogue.
l Ai, H.; Litman, D.; Forbes-Riley, K.; Rotaru, M.; Tetreault, J.; and Purandare, A. 2006. Using System and User Performance Features to Improve Emotion
Detection in Spoken Tutoring Dialogs. Proceedings of Interspeech 2006 ICSLP.
l Ai, H. and Litman, D. 2006. Comparing
Real-Real, Simulated-Simulated, and Simulated-Real Spoken Dialogue Corpora. Proceedings of the AAAI Workshop on
Statistical and Empirical Approaches for Spoken Dialogue Systems.
l Ai, H.; Harris, T.; and Rose, C. P. 2006. The
Effect of Miscommunication Rate on User Response Preferences. CHI, Work-In-Progress.
Talks:
l “Using Lexical-based Features to Predict Student Emotions during Spoken Tutoring Dialogues”, University of Pittsburgh AI Forum, March 2005.
l “Comparing Real and Simulated Spoken Dialogue Corpora”, “Dialogs on Dialogs” Group Meeting, Carnegie Mellon University, March 2006.
l “Comparing User Simulation Models for Dialog Strategy Learning”, University of Pittsburgh AI Forum, February 2007.
Activities:
l
Organizer of
the 4th Young Researchers Roundtable on Spoken Dialogues Systems Workshop,
2008. (An article about the workshop is in SLTC e-newsletter: http://www.ewh.ieee.org/soc/sps/stc/News/NL0807/NL0807-YRR.htm
)
Skills:
l Programming Languages: C, C++, Java, SQL
l Data Analysis: SPSS, Weka
l Languages: English, Chinese
l Operating Systems: Unix, Windows 2000, XP