an automated dialogue system

Ngày tải lên: 23/03/2014, 19:20

... of the in-car system. 121 An ISU Dialogue System Exhibiting Reinforcement Learning of Dialogue Policies: Generic Slot-filling in the TALK In-car System Oliver Lemon, Kallirroi Georgila, and James ... mul- timodal dialogue management, and also to test and fur- ther develop learnt dialogue strategies in a realistic ap- plication scenario. For these reasons we have built a system which: contains an interface ... developed for Reinf orcement Learning with ISU dialogue systems. 2 System Overview The baseline dialogue system is built around the DIP- PER dialogue manager (Bos et al., 2003). This sys- tem is...

Ngày tải lên: 22/02/2014, 02:20

Ngày tải lên: 22/06/2014, 23:20

... driver utterances and 4382 passenger utterances are transcribed. An annota- tion scheme was designed to enable analysis of utterances with respect to topic change for each domain. Domain and topic ... 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 easy and intuitive, otherwise ... when implementing an in- vehicle dialogue system. To make the dialogue natural and easy to under- stand the dialogue manager should consider which domain it will resume to and the number of turns between...

Ngày tải lên: 20/02/2014, 04:20

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Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 22/06/2014, 22:20

Ngày tải lên: 05/09/2013, 14:58

... Depending on its boundary, a system can be an economic entity, an inventory system, or a business organization. Knowledge management is an element of the organizational management system (Warfield, 1989). ... enterprise perfor- mance and competitive advantage (Ahn and Chang, 2004; Chuang, 2004; Joshi and Sharma, 2004; Tzokas and Saren, 2004; Badii and Sharif, 2003; Cavusgil et al., 2003; Choi and Lee, 2002). For ... structure of the system, and the function of the system. Main Factors Influence Knowledge Management Knowledge management system is a system to effectively manage knowledge within an enter- prise....

Ngày tải lên: 24/01/2014, 00:20

... 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 act A ∗ t and ... Linguistics Semantic Information and Derivation Rules for Robust Dialogue Act Detection in a Spoken Dialogue System Wei-Bin Liang 1 Chung-Hsien Wu 2 Department of Computer Science and Information Engineering National ... extracted and used to model the relation- ship between the dialogue acts and the deriva- tion rules. The constructed model is then used to generate a semantic score for dialogue act detection given an...

Ngày tải lên: 20/02/2014, 05:20

... 2005; Soricut and Brill, 2006), as have the human-powered question sites such as An- swers.com, Yahoo Answers and Google Answers, where individuals can post questions and receive an- swers from ... information can be used to post-process the data, and to develop an auto- matic approval system for further data collec- tion projects conducted in a similar manner. 1 Introduction Automatic question answering ... com- pare the correct answers to automatic answers produced by a system. For this purpose we present a Wikipedia-based corpus of Why- questions and corresponding answers and arti- cles. The corpus...

Ngày tải lên: 20/02/2014, 09:20

... hori- zon, correct answers) has the biggest impact. Acknowledgements This work is supported by NSF Grants 0328431 and 0428472. We would like to thank Shimei Pan, Pamela Jordan and the ITSPOKE ... 63(Special Issue on NLP). D. Litman and S. Silliman. 2004. ITSPOKE: An intelli- gent tutoring spoken dialogue system. In Proc. of HLT/NAACL. S. Oviatt, R. Coulston and R. Lunsford. 2004. When Do ... user can expand nodes as desired using the mouse. Information highlight. Bold and italics font were used to highlight important information (what and when to highlight was manually annotated)....

Ngày tải lên: 20/02/2014, 12:20

... input, and thus in the same output: a request to show and describe the given design. The COMIC DAM (Catizone et al., 2003) is a general-purpose dialogue manager which can handle different dialogue ... al., 2002). An experimental study (Foster and White, 2005) has shown that this adaptation is per- ceptible to users of COMIC. 2 Dialogue Management The task of the Dialogue and Action Manager (DAM) ... Chang, Hannes Vilhj ´ almsson, and Hao Yan. 1999. Embodiment in conversational interfaces: Rea. In Proceedings of CHI99. Roberta Catizone, Andrea Setzer, and Yorick Wilks. 2003. Multimodal dialogue...

Ngày tải lên: 20/02/2014, 15:20

... to-speech translation systems, the semantic content of utterances plays an important role and an inte- grated system must also produce a semantic analysis of the input utterance. Although ... descriptions of what is said, and 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 ... syntactic and semantic information of the input utterance rather than strict prediction of dialogue act sequences. Recently also keyword-based topic identification has been applied to dialogue...

Ngày tải lên: 20/02/2014, 18:20

... 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 dictation applications is to first write an ... M., and Popovici C. 1997. Contextual Information and Spe- cific Language Models for Spoken Language Un- derstanding. In Proceedings of SPECOM’97, Cluj- Napoca, Romania, pp. 51–56. Bangalore S. and ... significant improvement. It seems from the tests that the quality of the data is more important than the quantity. This makes extraction of domain data from larger corpora an important issue and increases...

Ngày tải lên: 22/02/2014, 02:20

... six dialogue pairs, the first of which was used for 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 ... 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 ... as transcripts. After reading each dialogue transcript, partici- pants were asked four questions about the system s responses. They provided their answers using Lik- ert scales. 1. Did the system...

Ngày tải lên: 22/02/2014, 02:20

... Sciences and Technology 24 (2008) 110-121 110 An integrated approach for an academic advising system in adaptive credit-based learning environment Nguyen Thanh Binh * , Hoang Thi Anh Duong, Tran ... understanding the regulations and requirements of a chosen program, and selecting the most effective and efficient path toward graduation [5]. Usually, Academic advising is an important and ... understand and profit from learning history data. In the proposed framework, a learning data warehouse gathers and stores information coming from operation and navigational systems for future analysis...

Ngày tải lên: 05/03/2014, 11:21