darpa communicator dialogue systems

... training a problematic dialogue predictor for a spoken dialogue system. JAIR. What’s the Trouble: Automatically Identifying Problematic Dialogues in DARPA Communicator Dialogue Systems Helen Wright ... extracting 20 dialogues, one would transcribe 5 problematic dialogues and 15 good dialogues. Using the fully automatic PDI, one would obtain 12 problematic dialogues and 8 good dialogues. To ... problem- atic human-computer dialogues using the October- 2001 DARPA Communicator corpus. Section 2 describes our approach and the dialogue corpus. Section 3 describes how we use the DATE dialogue act tagging...

Ngày tải lên: 08/03/2014, 07:20

Ngày tải lên: 31/03/2014, 04:20

... 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 ... which assumed no information in the es- say. Note that the actual dialogue depends on the correctness of the user answers. After the dialogue, users were asked to revise their essay and then the ... ITSPOKE will engage into a remediation subdialogue that attempts to remediate user’s lack of knowledge or skills (e.g. Tutor 4 →Tutor 5 ). The remediation subdialogue for each complex ques- tion...

Ngày tải lên: 20/02/2014, 12:20

... 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 ... for the spoken dialogue systems. This can be further verified in the perplexity measures for the word recognition: compared to a general language model trained on non-tagged dialogues, perplexity...

Ngày tải lên: 20/02/2014, 18:20

... Analysis for Spoken Dialogue Systems. In Journal of Natural Language Engineering, 5(1), pp. 45–93. Wright H., Poesio M. and Isard S. 1999. Using high level dialogue information for dialogue act recogni- tion ... development of a dialogue system. Collect- ing such a corpus and transcribing it is very time- consuming and delays the building of the actual dialogue system. An approach taken both in dialogue systems and ... Dialogue Systems. In Proceedings of ICASSP-2001, Salt Lake City, Utah. Gabsdil M. and Lemon O. 2004. Combining Acoustic and Pragmatic Features to Predict Recognition Per- formance in Spoken Dialogue...

Ngày tải lên: 22/02/2014, 02:20

... 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. ... constructions needed. The dialogues with the Chung system were designed manually, as this system is implemented for an- other domain. The order of the dialogues in a pair was randomized. The dialogues were ... 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

... according to manual dialogue act anno- tation. Within the set of utterances that contain mul- tiple dialogue acts, the average number of dialogue acts per utterance is 2.3. The dialogue act annotation ... correspond- ing to the dialogue acts identified in the dataset. with a dialogue act. The method addresses the prob- lem that, in development of new scenarios for con- versational dialogue systems, there ... covered entirely by a single dialogue act that spans all of its words, longer utterances may be composed of spans that corre- spond to different dialogue acts. bestDialogueActEndingAt(T ext,pos)...

Ngày tải lên: 07/03/2014, 22:20

... 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 ... 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 Proceedings ... the relationship between the speech acts of the dialogue turns becomes ex- tremely important. In the last decade, several prac- ticable dialogue systems (McTEAR, 2002), such as air travel information...

Ngày tải lên: 08/03/2014, 02:21

... 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 ... first, inte- grating our methodology into working ISU-based dialogue systems and determining whether or not they improve in terms of standard dialogue eval- uation metrics (e.g. task completion). The ... 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...

Ngày tải lên: 08/03/2014, 04:22

... operation for discourse processing in a multimodal dialogue system. In 2nd IJCAI Workshop on Knowl- edge and Reasoning in Practical Dialogue Systems. J. Allen, D. Byron, M. Dzikovska, G. Ferguson, L. ... Speech-Plans: Generating evaluative responses in spoken dialogue. In In Proceedings of INLG-02. MATCH: An Architecture for Multimodal Dialogue Systems Michael Johnston, Srinivas Bangalore, Gunaranjan ... Galescu, and A. Stent. 2000. An architecture for a generic dialogue shell. JNLE, 6(3). E. Andr´e. 2002. Natural language in multime- dia/multimodal systems. In Ruslan Mitkov, editor, Handbook of Computational...

Ngày tải lên: 08/03/2014, 07:20

... 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 ... 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 ... initiative dialogue system to control a simulated robotic helicopter. 2 System Description 2.1 The WITAS Dialogue System Targeted Help was deployed and tested as part of the WITAS dialogue system l ...

Ngày tải lên: 08/03/2014, 21:20

... presentation in spoken dialogue systems. In Proceedings of EACL. James Henderson, Oliver Lemon, and Kallirroi Georgila. 2008. Hybrid reinforcement / supervised learning of dialogue policies from ... experiments targeted to Information Presentation in dialogues in the restaurant domain. While we are ultimately interested in how hearers engaged in dialogues judge different Information Presentations, ... from an interactive dialogue. We are currently collecting such data in a Wizard-of-Oz experiment. 6.1 User simulation User simulations are commonly used to train strategies for Dialogue Management,...

Ngày tải lên: 08/03/2014, 21:20

... 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, ... 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. ... also recorded the time taken to com- plete each dialogue task. We used these data to build a regression model to calculate total dialogue time for dialogue simulations. The strategies were never...

Ngày tải lên: 16/03/2014, 23:20

... 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 connec- tives ... POMDP Dialogue System in Noise. In Proc. of SIGdial Workshop on Discourse and Dialogue. James Henderson and Oliver Lemon. 2008. Mixture Model POMDPs for Efficient Handling of Uncer- tainty in Dialogue ... Passonneau, and J. Boland. 2001. Quan- titative and qualitative evaluation of DARPA Com- municator spoken dialogue systems. In Proc. of the Annual Meeting of the Association for Compu- tational...

Ngày tải lên: 17/03/2014, 00:20

... 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 ... Dialogue with an Intelligent Robot Computer Mediation of Human Dialogue Computer Analysis of Human Dialogue Dialogue between 2 characters Food Replicator Ship's Computer...

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Ngày tải lên: 17/03/2014, 07:20

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