building practical spoken dialog systems

Ngày tải lên: 08/03/2014, 01:20

Ngày tải lên: 23/03/2014, 18:20

Ngày tải lên: 23/03/2014, 19:20

Ngày tải lên: 23/03/2014, 19:20

Ngày tải lên: 15/06/2014, 07:01

... used to train dialog systems which out- perform traditional systems (Thomson et al., 2007). Further, Pr(U t+1 | S t+1 , U t , A t , ˜ A t ) is often deter- ministic and tracks dialog history ... 2008. c 2008 Association for Computational Linguistics Using Automatically Transcribed Dialogs to Learn User Models in a Spoken Dialog System Umar Syed Department of Computer Science Princeton University Princeton, ... USA jdw@research.att.com Abstract We use an EM algorithm to learn user mod- els in a spoken dialog system. Our method requires automatically transcribed (with ASR) dialog corpora, plus a model of transcription errors, but...

Ngày tải lên: 20/02/2014, 09:20

... discourse segment purpose/intention. This theory has inspired several generic dialogue man- agers for spoken dialogue systems (e.g. (Rich and Sidner, 1998)). The NM requires that we have the discourse ... Schultz, E. O. Bratt, B. Clark and S. Peters. 2006. Responding to Student Uncertainty in Spoken Tutorial Dialogue Systems. International Journal of Artificial Intelligence in Education, 16. C. Rich ... Pieraccini. 2007. Technical Support Dialog Systems: Issues, Problems, and Solu- tions. In Proc. of Workshop on Bridging the Gap: Academic and Industrial Research in Dialog Technologies. J. Allen,...

Ngày tải lên: 20/02/2014, 12:20

... hundred of dialog cards to throw questions back to users. Figure 4 shows two dialog cards. UQ (User Question) is fol- lowed by a typical vague user question. If a user question matches it, the dialog ... matches it, the dialog manager asks the back question after SYS , showing choices be- Dialog Navigator : A Spoken Dialog Q-A System based on Large Text Knowledge Base Yoji Kiyota, Sadao Kurohashi ... Ltd.) fkido@microsoft.com Abstract This paper describes a spoken dialog Q- A system as a substitution for call centers. The system is capable of making dialogs for both fixing speech recognition errors and...

Ngày tải lên: 20/02/2014, 16:20

... of context models for spoken dialogue systems. 5 Conclusions The paper has presented a probabilistic topic model to be used as a context model for spoken dialogue systems. The model combines ... In Dialogue Processing in Spoken Dialogue Systems, pages 60-64. Proceedings of the ECAI'96 Workshop, Budapest, Hungary. N. Reithinger and E. Maier. 1995. Utilizing statisti- cal dialogue ... that the recognition of the utterance topic is an important task of spoken dialogue systems. 3 The Topic Model In AI-based dialogue modelling, topics are associ- ated with a particular discourse...

Ngày tải lên: 20/02/2014, 18:20

Ngày tải lên: 21/02/2014, 20:20

... Chung. 2004. Developing a flexible spoken dialog system using simulation. In Proc. of ACL ’04. V. Demberg. 2005. Information presentation in spoken di- alogue systems. Master’s thesis, School of ... responses in dialogue. In Cog- nitive Science 28: 811-840. M.A. Walker, R. Passonneau, and J.E. Boland. 2001. Quanti- tative and qualitative evaluation of DARPA communicator spoken dialogue systems. ... training and was thus not included in the analysis. Each dialogue pair consisted of one dialogue between a user and our system and one dialogue between the same user and a system designed as described...

Ngày tải lên: 22/02/2014, 02:20

... 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. In ... Discourse Understanding in Spoken Dialogue Systems. ACM Transactions on Speech and Language Processing (TSLP) , Volume 1, 1-20. X. Huang, A. Acero, and H W. Hon. 2001. Spoken Language Proceeding . ... effectively deals with a variety of conversational discourse information in the spoken dialogue systems. By modeling the dialogue discourse as the speech act sequence, the predictive method for speech...

Ngày tải lên: 08/03/2014, 02:21

... can be used by a dialogue manager to decide appro- priate system reactions. The approach is novel in combining machine learning with n-best processing for spoken dialogue systems using the Information State ... natural lan- guage system for spoken- language understand- ing. In Proceedings of ACL-93. Malte Gabsdil. 2003. Classifying Recognition Re- sults for Spoken Dialogue Systems. In Proceed- ings of ... activities and multi- tasking in dialogue systems. Traitement Automa- tique des Langues, 43(2):131–154. Oliver Lemon. 2004. Context-sensitive speech recognition in ISU dialogue systems: results for the...

Ngày tải lên: 08/03/2014, 04:22

... explicitly mentioned in the dialogue. Accord- ing to this criterion only 44% of users in the Help condition and 18% of users in the No Help con- 152 Targeted Help for Spoken Dialogue Systems: intelligent ... Rayner. 2002. Adding intelligent help to mixed-initiative spoken dialogue systems. In Proceedings of the Seventh Interna- tional Conference on Spoken Language Processing (ICSLP), Denver, CO. B.A. ... multi- tasking in dialogue systems. Traitement Automa- ague des Langues (TAL), 43(2):131 — 154. Special Issue on Dialogue. D. Martin, A. Cheyer, and D. Moran. 1998. Build- ing distributed software systems...

Ngày tải lên: 08/03/2014, 21:20

... Infor- mation presentation in spoken dialogue systems. In Proceedings of EACL. James Henderson, Oliver Lemon, and Kallirroi Georgila. 2008. Hybrid reinforcement / supervised learning of dialogue policies ... 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 presentation in spoken dialog ... of user tailoring and cognitive load on user performance in spoken dialogue systems. In Proc. of the 10th International Conference of Spoken Language Processing (Inter- speech/ICSLP). SJ Young,...

Ngày tải lên: 08/03/2014, 21:20

... Situated Spoken Dialogue Task. In Proc. ENLG’09. S. Janarthanam and O. Lemon. 2009c. Learning Lexi- cal Alignment Policies for Generating Referring Ex- pressions for Spoken Dialogue Systems. ... Planning Under Uncertainty for Spo- ken Dialogue Systems. In Proc. EACL’09. V. Rieser and O. Lemon. 2010. Optimising informa- tion presentation for spoken dialogue systems. In Proc. ACL. (to appear). J. ... System User Interaction (learning) 4.1 Dialogue Manager The dialogue manager identifies the next instruc- tion (dialogue act) to give to the user based on the dialogue management policy π dm . Since,...

Ngày tải lên: 16/03/2014, 23:20

... 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. Learning contrastive ... Workshop on Discourse and Dialogue. Joseph Polifroni and Marilyn Walker. 2006. Learning database content for spoken dialogue system design. In Proc. of the IEEE/ACL workshop on Spoken Lan- guage Technology ... of user tailoring and cognitive load on user performance in spoken dialogue systems. In Proc. of the 10th International Conference of Spoken Language Processing (Inter- speech/ICSLP). SJ Young,...

Ngày tải lên: 17/03/2014, 00:20

... for Dialog systems) adapts the pipeline architecture presented in section 2.1 by replacing the document planner with the dialog manager. This makes it more suitable for use in dialog systems, ... techniques such as template-based systems. Portabil- ity of systems across subject domains and languages is another increasingly impor- tant requirement in dialog systems. This paper presents an ... recognition, the state-of-the-art in natural language generation for spoken language dialog systems is lagging behind. The core dialog managers are now more so- phisticated; and natural-sounding...

Ngày tải lên: 17/03/2014, 06:20

... example dialogues have more primitive cousins under development today. Briefly, our example dialogue types are listed in Table 3. Dialogue with an Appliance Dialogue with an Application Dialogue ... tracking both sides of that dialogue so that either user or system can make anaphoric mention of entities introduced earlier. 3 A Near-Future Scenario of Spoken Dialogue Systems 3.1 The Scenario ... externally to analyze the agents' dialogue, as discussed in the previous section. 4 Implementations of the Architecture We have implemented two spoken dialogue systems using the architecture...

Ngày tải lên: 17/03/2014, 07:20

Ngày tải lên: 17/03/2014, 07:20