a statistical spoken dialogue system
Báo cáo khoa học: "A Statistical Spoken Dialogue System using Complex User Goals and Value Directed Compression" pptx
... European Chapter of the Association for Computational Linguistics, pages 46–50,Avignon, France, April 23 - 27 2012.c2012 Association for Computational Linguistics A Statistical Spoken Dialogue ... (MACS)Heriot-Watt University, Edinburgh, UK{p .a. crook, zhuoran.wang, x.liu, o.lemon}@hw.ac.ukAbstractThis paper presents the first demonstrationof a statistical spoken dialogue system thatuses automatic ... user goals adopted to make sys-tems computationally tractable.Work in dialogue system evaluation, e.g.Walker et al. (2004) and Lemon et al. (2006),shows that real user goals are generally sets...
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Tài liệu Báo cáo khoa học: "Semantic Information and Derivation Rules for Robust Dialogue Act Detection in a Spoken Dialogue System" pptx
... INTERSPEECH, pages 268–271.C. Hori, K. Ohtake, T. Misu, H. Kashioka, and S. Naka-mura. 2009b. Statistical dialog management appliedto wfst-based dialog systems. In Proc. IEEE Inter-national Conference ... under-standing (SLU) module converts Wtto an abstractrepresentation of the user’s dialogue act (DA). The dialogue management (DM) module determines theuser’s dialogue act A ∗tand accordingly ... utterance, Htis the dialogue historical information, and Ω = {A 1, . . . , A q} is theset of DAs. Using the maximum approximation forsummation, (1) can be written as A ∗t= arg max A ΩWP...
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Tài liệu Báo cáo khoa học: "The Utility of a Graphical Representation of Discourse Structure in Spoken Dialogue Systems" ppt
... Uncertainty in Spoken Tutorial Dialogue Systems. International Journal of Artificial Intelligence in Education, 16. C. Rich and C. L. Sidner. 1998. COLLAGEN: A Col-laboration Manager for Software ... tutoring task. In addition, the SIH is not always available and users have to activate it manually. Other visual improvements for dialogue- based computer tutors have been explored in the past (e.g. ... Tutor5362that naïve users can reliably annotate the informa-tion needed for the NM (Passonneau and Litman, 1993). Our NM design choices should also have an equivalent in a new domain (e.g. displaying...
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Tài liệu Báo cáo khoa học: "Context Management with Topics for Spoken Dialogue Systems" pptx
... 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. ... role and an inte- grated system must also produce a semantic analysis of the input utterance. Although the goal may be a shallow understanding only, it is not enough that the system knows that ... test utterances), and used the other 70 dialogues for training in each test cycle. The average accuracy rate, 78.68 % is a satisfactory result. We also did another set of cross-validation tests...
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Tài liệu Báo cáo khoa học: "Information Presentation in Spoken Dialogue Systems" potx
... efficient and natural access to applica-tions and services, such as email and calendars,travel and entertainment booking, and product rec-ommendation. In evaluating nine SDS in theDARPA Communicator ... designedmanually, as this system is implemented for an-other domain. The order of the dialogues in a pairwas randomized. The dialogues were provided astranscripts.After reading each dialogue transcript, ... important than for a user who does not careabout price).The explicit presentation of tradeoffs made bythe UMSR system in many cases leads to dialogue turns that are more complex than typical dialogue turns...
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Báo cáo khoa học: "a Chat-oriented Dialogue System based on the Vector Space Model" ppt
... class of example-based dialogue systems and builds its chat capabilities on a dual search strategy over a large collection of movie dialogues. Additional strategies allowing for system adap-tation ... elements contain information about the characters who speak and what they said at each dialogue turn. On the other hand, context elements contain all the additional information (explanations and descriptions) ... dialog management methodologies for real applica-tions. In Proc. of SIGDIAL’10, pp 269-272. Murao H, Kawaguchi N, Matsubara S, Yamaguchi Y, Inagaki Y (2003) Example-based spoken dialogue system...
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Báo cáo khoa học: "Stochastic Discourse Modeling in Spoken Dialogue Systems Using Semantic Dependency Graphs" pdf
... machines. In HLT-03. R. Higashinaka, N. Miyazaki, M. Nakano, and K. Ai-kawa. 2004. Evaluating Discourse Understanding in Spoken Dialogue Systems. ACM Transactions on Speech and Language ... conver-sational speech. Computational Linguistics 26(3), 339 373. M. A. Walker, D. Litman, C. Kamm, and A. Abella, 1997. PARADISE: a general framework for evaluat-ing spoken dialogue agents. ... such as semantic relation, semantic class and semantic role are adopted in the semantic dependency graph (Gildea and Jurasfky, 2002; Hacioglu and Ward, 2003). The semantic relations constrain...
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Báo cáo khoa học: "Combining Acoustic and Pragmatic Features to Predict Recognition Performance in Spoken Dialogue Systems" pdf
... Computer-Human Interaction.(to appear).Oliver Lemon, Alexander Gruenstein, and StanleyPeters. 2002. Collaborative activities and multi-tasking in dialogue systems. Traitement Automa-tique des Langues, ... op-Combining Acoustic and Pragmatic Features to Predict RecognitionPerformance in Spoken Dialogue SystemsMalte GabsdilDepartment of Computational LinguisticsSaarland UniversityGermanygabsdil@coli.uni-sb.deOliver ... http://www.talk-project.orgWalter Daelemans and V´eronique Hoste. 2002.Evaluation of Machine Learning Methods forNatural Language Processing Tasks. In Proceed-ings of LREC-02.Walter Daelemans, Jakub Zavrel, Ko van...
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Báo cáo khoa học: "Targeted Help for Spoken Dialogue Systems: intelligent feedback improves naive users'''' performance" pdf
... with a dialogue system is to use a grammar-based language model and assist usersin becoming expert as quickly as possible. Thisapproach takes advantage of the strengths of bothtypes of language ... deployed and tested as partof the WITAS dialogue system l , a command andcontrol and mixed-initiative dialogue system forinteracting with a simulated robotic helicopter orUAV (Unmanned Aerial ... interaction, adaptation andstyles of management, page (in press).Oliver Lemon, Anne Bracy, Alexander Gruenstein, andStanley Peters. 2001. Information states in a multi-modal dialogue system...
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Báo cáo khoa học: "Natural Language Generation as Planning Under Uncertainty for Spoken Dialogue Systems" pptx
... 28:811–840.Marilyn Walker, Amanda Stent, Franc¸ois Mairesse, andRashmi Prasad. 2007. Individual and domain adap-tation in sentence planning for dialogue. Journal ofArtificial Intelligence Research (JAIR), ... IC-SLP.Amanda Stent, Rashmi Prasad, and Marilyn Walker.2004. Trainable sentence planning for complex in-formation presentation in spoken dialog systems. InAssociation for Computational Linguistics.R. ... Sutton and A. Barto. 1998. Reinforcement Learn-ing. MIT Press.Marilyn A. Walker, Candace A. Kamm, and Diane J.Litman. 2000. Towards developing general mod-els of usability with PARADISE. Natural...
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Báo cáo khoa học: "Learning to Adapt to Unknown Users: Referring Expression Generation in Spoken Dialogue Systems" ppt
... the dialogue. We then calculate the overall mean accuracy overall referents as shown below.RAr=#(appropriate expressions(r))#(instances(r))AdaptationAccuracyAA =1#(r)ΣrRArNote that ... Spoken Dialogue SystemsSrinivasan JanarthanamSchool of InformaticsUniversity of Edinburghs.janarthanam@ed.ac.ukOliver LemonInteraction LabMathematics and Computer Science (MACS)Heriot-Watt ... little about the user, andstart adapting dynamically as the conversationprogresses. We have also shown that a data-driven statistical user simulation produces better policiesthan a simple hand-coded...
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Báo cáo khoa học: "Optimising Information Presentation for Spoken Dialogue Systems" pdf
... Saffrani, which is also an Indian restaurant, is in the moderate price range.COMPARE byAttributeThe restaurant called Kebab Mahal and the restaurant called Saffrani are both Indian restaurants.However, ... Compu-tational Linguistics (ACL).Marilyn Walker, Amanda Stent, Franc¸ois Mairesse, andRashmi Prasad. 2007. Individual and domain adap-tation in sentence planning for dialogue. Journal ofArtificial ... Workshop on Natural Language Generation(ENLG).Marilyn A. Walker, Candace A. Kamm, and Diane J.Litman. 2000. Towards developing general mod-els of usability with PARADISE. Natural LanguageEngineering,...
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Báo cáo khoa học: "Comparing Objective and Subjective Measures of Usability in a Human-Robot Dialogue System" potx
... Eval-uating a spoken language interface to email.In Proceedings of CHI 1998. doi:10.1145/274644.274722.M. A. Walker, D. J. Litman, C. A. Kamm, and A. Abella. 1997. PARADISE: A framework forevaluating ... mentioned at the end of the preceding sec-tion, as well as measures targeted at the revisedscenario and the updated system capabilities—forexample, an additional dialogue quality measurewill assess ... to adapt system behaviour to avoidentering a state that is likely to reduce user satis-faction, or can be used as a reward function in a reinforcement-learning scenario (Walker, 2000).Automated...
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Báo cáo khoa học: "An Architecture for Dialogue Management, Context Tracking, and Pragmatic Adaptation in Spoken Dialogue Systems" pot
... Natural ~ Context 'Language Tracking aterpretation (on Input) Natural Language Generation Dialogue Manager Pragmatic Adaptation (on Input) Back-End " ~ Pragmatic Adaptation ... in Table 3. Dialogue with an Appliance Dialogue with an Application Dialogue with an Intelligent Robot Computer Mediation of Human Dialogue Computer Analysis of Human Dialogue ... In fact, it was first developed for bilingual dialogue in a voice-to-voice machine translation application. In this application, the Dialogue Manager is available for meta- dialogues with...
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Báo cáo khoa học: "The CommandTalk Spoken Dialogue System*" doc
... of air travel planning. There is a large body of existing data in that domain (MADCOW, 1992), and speakers familiar with the domain are easily available. The internal representation of actions ... Formalisms. Computational Linguis- tics, 16(1), March. M. Walker, J. Fromer, and S. Narayanan. 1998. Learning Optimal Dialogue Strategies: A Case Study of a Spoken Dialogue Agent for Email. In Proceedings ... utterance 22 is with a 154 The CommandTalk Spoken Dialogue System* Amanda Stent, John Dowding Jean Mark Gawron, Elizabeth Owen Bratt, and Robert Moore SRI International 333 Ravenswood Avenue...
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- pragmatic adaptation in spoken dialogue systems
- topics for spoken dialogue systems
- darpa communicator spoken dialogue systems
- a spoken dialogue system
- a spoken dialogue interface
- user model in spoken dialogue systems
- understanding in spoken dialogue systems
- reviews in spoken dialogue systems
- combining acoustic and pragmatic features to predict recognition performance in spoken dialogue systems
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