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https://ah.lib.nccu.edu.tw/handle/140.119/75889
題名: | Using Qualitative Relationships for Bounding Probability Distributions | 作者: | Liu, Chao-lin;Wellman, Michael P. 劉昭麟 |
貢獻者: | 資科系 | 日期: | 1998 | 上傳時間: | 17-Jun-2015 | 摘要: | We exploit qualitative probabilistic relationships among variables for computing bounds of con- ditional probability distributions of interest in Bayesian networks. Using the signs of qualita- tive relationships, we can implement abstraction operations that are guaranteed to bound the dis- tributions of interest in the desired direction. By evaluating incrementally improved approximate networks, our algorithm obtains monotonically tightening bounds that converge to exact distri- butions. For supermodular utility functions, the tightening bounds monotonically reduce the set of admissible decision alternatives as well. | 關聯: | Uncertainty in Artificial Intelligence - UAI , pp. 346-353 | 資料類型: | article |
Appears in Collections: | 期刊論文 |
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