An evaluation of strategies for selectively verifying utterance meanings in spoken natural language dialog
✍ Scribed by RONNIE W. SMITH
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 299 KB
- Volume
- 48
- Category
- Article
- ISSN
- 1071-5819
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✦ Synopsis
As with human-human interaction, spoken human-computer dialog will contain situations where there is miscommunication. One natural strategy for reducing the impact of miscommunication is selective verification of the user utterance meanings. This paper reports on both context-independent and context-dependent strategies for utterance verification that show that the use of dialog context can be very helpful in selecting which utterances to verify. Simulations with data collected during experimental trials with the Circuit Fix-It Shop spoken natural language dialog system are used in the analysis. In addition, the performance of various selection strategies is measured separately for computer-controlled and user-controlled dialogs and general guidelines for selecting an appropriate strategy are presented.