Knowledge Consistent User Simulations For Dialog Systems
INTERSPEECH 2007: 8TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION, VOLS 1-4(2007)
摘要
We propose a novel model to simulate user knowledge consistency in tutoring dialogs, where no clear user goal can be defined. We also propose a new evaluation measure of knowledge consistency based on learning curves. We compare our new simulation model to real users as well as to a previously used simulation model. We show that the new model performs similarly to the real students and to the previous model when evaluated on high-level dialog features. The new model outperforms the previous model when measured on knowledge consistency.
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关键词
spoken dialog,user simulation,evaluation measures,knowledge consistency
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