期刊
INFORMATION SCIENCES
卷 245, 期 -, 页码 132-145出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2012.10.034
关键词
Coherent probability; Possibility; Weak logical independence; Upper and lower envelope
This paper deals with the upper and lower bounds of a class of uncertainty measures endowed with particular characteristics (decomposability, monotonicity, partial additivity and so on). We consider an initial partial assessment consistent with either probability or possibility or necessity, then we study the upper and lower envelopes of all possible extensions. By resorting to a notion of weak logical independence we get as lower or upper envelope a possibility or a necessity, respectively, starting either from a probability or from a possibility or from a necessity. (C) 2012 Elsevier Inc. All rights reserved.
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