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TRS
2008
13 years 4 months ago
Local and Global Approximations for Incomplete Data
Abstract. For completely specified decision tables lower and upper approximations are unique, the lower approximation is the largest definable set contained in the approximated set...
Jerzy W. Grzymala-Busse, Wojciech Rzasa
UAI
1992
13 years 6 months ago
Interval Structure: A Framework for Representing Uncertain Information
In this paper, a unified framework for representing uncertain information based on the notion of an interval structure is proposed. It is shown that the lower and upper approximat...
S. K. Michael Wong, Lusheng Wang, Yiyu Yao