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Summaries in the SBU Rate-A-Course Dialog System

Summaries in the SBU Rate-A-Course Dialog System. Patricia Ding Advisor: Amanda Stent. What is a Summary in Spoken Dialog Systems?. A brief statement that presents the main points in a concise form. Gives system users a brief overview. Why Are Summaries So Important?.

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Summaries in the SBU Rate-A-Course Dialog System

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  1. Summaries in the SBU Rate-A-Course Dialog System Patricia Ding Advisor: Amanda Stent

  2. What is a Summary in Spoken Dialog Systems? • A brief statement that presents the main points in a concise form. • Gives system users a brief overview.

  3. Why Are Summaries So Important? • Information presentations take up the most time in spoken dialogues with computers (Stent et al. 2002). • Summaries take up less time, so they can improve users’ satisfaction (Walker et al. 2002).

  4. What is the Rate-A-Course System? • A survey dialog system that permits college students to evaluate their courses over the telephone (Stent et al. 2006). • Could be used as a replacement for or in addition to other course evaluation methods. • The survey results, which includes comments to open-ended questions, are available in electronic form. They can be distributed over the web or telephone. • Currently, the system only lets students rate courses, not hear others’ ratings.

  5. My Summaries • Basic Summary • Goes through ratings and gives all information about each course rating. • Summary with no and • Better syntax of basic summary. • Parallel Summary • Makes sure the topics for each course rating are presented in the same order. • Easier for users to remember the ratings. • Average Summary • Presents information by topic, rather than by rating. • Shorter summaries = less bored users. • (For the future) User-model Summary • Skip topics the user doesn’t care about.

  6. Implementing My Summaries • VoiceXML • Language for writing dialog system behaviors • Similar to HTML • Javascript • Language for constructing the information presentations • Similar to Java • I learned VoiceXML and Javascript

  7. Does Anybody Want to Try? • My summaries: • 877 33 VOCAL • User ID: 917-8498 • PIN: 8498 • Rate-a-Course system: • 877 33 VOCAL • User ID: 335 2849 • PIN: 1122

  8. References • A. Stent, M. Walker, S. Whittaker and P. Maloor. User-tailored generation for spoken dialogue: An experiment. In Proceedings of ICSLP 2002, 2002. • A. Stent, S. Stenchikova and M. Marge. Dialog systems for surveys: The Rate-a-Course system. In Proceedings of the IEEE/ACL 2006 Workshop on Spoken Language Technology, 2006. • Demberg, V.M.,Johanna D.”Information Presentation in Spoken Dialogue System: In Proceedings of the 11th Conference of the European Chapter of the Association of Computational Linguistics (EACL), Trento, Italy, April 2006.

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