user modeling for spoken dialogue system evaluation

... 19-24, 2011. c 2011 Association for Computational Linguistics Semantic Information and Derivation Rules for Robust Dialogue Act Detection in a Spoken Dialogue System Wei-Bin Liang 1 Chung-Hsien ... W t The spoken language under- standing (SLU) module converts W t to an abstract representation of the user s dialogue act (DA). The dialogue management (DM) module determines the user s dialogue ... method of dialogue act de- tection for robust spoken dialogue system, we adopt the commonly-used Wizard-of-Oz approach (Fraser and Gilbert, 1991) to harvest the Tainan-city tour- guiding dialogue...

Ngày tải lên: 20/02/2014, 05:20

... Association for Computational Linguistics, pages 46–50, Avignon, France, April 23 - 27 2012. c 2012 Association for Computational Linguistics A Statistical Spoken Dialogue System using Complex User ... statistical spoken dialogue system that uses automatic belief compression to rea- son over complex user goal sets. Reasoning over the power set of possible user goals al- lows complex sets of user goals ... as a central challenge for the field of spoken dialogue systems, proposing the use of automatic compres- sion techniques to allow for extended accurate representations of user goals. This paper...

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... reliable and straighforward approximation of the utterance meaning than speech acts, and should not be ignored in the definition of context models for spoken dialogue systems. 5 Conclusions ... point. For the pruned topic types, we reserved 10 ran- domly picked dialogues for testing (each test file con- tained about 400-500 test utterances), and used the other 70 dialogues for training ... management for spoken dialogue systems. Finally, statistical modelling is prone to sparse data problems, and we need to consider ways to overcome inaccuracies in calculating mutual information....

Ngày tải lên: 20/02/2014, 18:20

... framework for evaluat- ing spoken dialogue agents. In Proceedings of the ACL, 271–280 M. Walker and R. Passonneau. 2001. DATE: a dia- logue act tagging scheme for evaluation of spoken dialogue systems. ... prac- ticable dialogue systems (McTEAR, 2002), such as air travel information service system, weather forecast system, automatic banking system, auto- matic train timetable information system, and the ... method, a spoken dialogue system for medical domain with multiple services was investigated. Three main services: registration information service, clinic information service, and FAQ information...

Ngày tải lên: 08/03/2014, 02:21

... robust spoken dialogue system for a new task currently requires considerable effort, includ- ing extensive data collection, grammar develop- ment, and building a dialogue manager that drives the system ... 85–88, Ann Arbor, June 2005. c 2005 Association for Computational Linguistics Two diverse systems built using generic components for spoken dialogue (Recent Progress on TRIPS) James Allen, George ... USA stent@cs.sunysb.edu Abstract This paper describes recent progress on the TRIPS architecture for developing spoken- lan- guage dialogue systems. The interactive poster session will include demonstrations of two...

Ngày tải lên: 08/03/2014, 04:22

... experience with spoken dialogue systems. The structure of the interaction with the system was the same for both groups. They were given minimal written instruction on how to use the system before the ... the No Help con- 152 Targeted Help for Spoken Dialogue Systems: intelligent feedback improves naive users' performance Beth Ann Hockey Research Institute for Advanced Computer Science (RIACS), NASA ... use of user utterances that are out-of-coverage of the main dialogue system recognizer to provide the user with immediate feedback, tailored to what the user said, for cases in which the system...

Ngày tải lên: 08/03/2014, 21:20

... Moore, and Clifford Nass. 2007. The influence of user tailoring and cognitive load on user performance in spoken dialogue systems. In Proc. of the 10th International Conference of Spoken Language ... train strategies for Dialogue Management, see for ex- ample (Young et al., 2007). A user simulation for NLG is very similar, in that it is a predictive model of the most likely next user act. However, this user act ... 2002. User- tailored generation for spoken dialogue: an experiment. In In Proc. of IC- SLP. Amanda Stent, Rashmi Prasad, and Marilyn Walker. 2004. Trainable sentence planning for complex in- formation...

Ngày tải lên: 08/03/2014, 21:20

... wizard-of-oz interface to study information pre- sentation strategies for spoken dialogue systems. In Proc. of the 1st International Workshop on Spoken Dialogue Systems. Crystal Nakatsu. 2008. ... Language Resources and Evaluation (LREC). Andi Winterboer, Jiang Hu, Johanna D. Moore, and Clifford Nass. 2007. The influence of user tailoring and cognitive load on user performance in spoken dialogue systems. ... or ellipsis), contrasts 1011 W. Eckert, E. Levin, and R. Pieraccini. 1997. User modeling for spoken dialogue system evaluation. In Proc. of the IEEE workshop on Automatic Speech Recognition and...

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... some implications for resumption strategies in an in-vehicle dialogue system. 1 Introduction Making it useful and enjoyable to use a dialogue system is always important. The dialogue should be ... That means that the most common rea- son for the speaker to interrupt is to ask for or give information that is crucial for the driving task (as opposed for the other and traffic domains, which are ... by the driving task), the user might need information that is crucial for the driving task (e.g. get nav- igation instructions), or to pause the dialogue in order to enable the user to concentrate...

Ngày tải lên: 20/02/2014, 04:20

... the model of user actions, not the model of user goal evolution. 2 Method Before we can estimate a user model, we must define a larger model of human-computer dialogs, of which the user model is ... A t . Recall that the user model is a multinomial distri- bution Pr(A t | S t , U t ; θ) parameterized by a vector θ. Based on the number user actions, system actions, and user states, θ is a vector ... sequence of system actions and observed user actions: x = (S 0 , ˜ A 0 , S 1 , ˜ A 1 , . . .). Here S t denotes the system action, and ˜ A t the output of the ASR engine when applied to the true user...

Ngày tải lên: 20/02/2014, 09:20

... Group on Discourse and Dialogue Workshop on Discourse and Dialogue (SIGdial). D. J. Litman and S. Silliman, 2004. ITSPOKE: An Intelligent Tutoring Spoken Dialogue System. Companion Proceedings ... Wrappers for Feature Subset Selection. Artificial Intelligence, Volume 97, Issue 1-2. D. J. Litman and K. Forbes-Riley, 2004. Annotating Student Emotional States in Spoken Tutoring Dialogues. ... Accuracy using best features for Precision of Emotional/Non-Emotional 5 Conclusion We have shown Co-training to be a promising approach for predicting emotions with spoken dialogue data. We have...

Ngày tải lên: 20/02/2014, 16:20

... under- standing system developed for spoken language applications. This paper describes the details of the system, and includes relevant measurements of size, efficiency, and performance of each ... allows us to enforce a very coarse form of parse preferences (for exam- ple, prefering complete sentences to sentence frag- ments). These coarse preferences could also be enforced by the parse ... understanding system, there is a tension between robustness and correct- ness. Forgiving an error risks throwing away cru- cial information; furthermore, devices added to a system to enhance...

Ngày tải lên: 20/02/2014, 21:20