Journal
INFORMATION SCIENCES
Volume 294, Issue -, Pages 478-488Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2014.09.059
Keywords
Attribute implication; Fuzzy logic; Redundancy; Minimality; Residuated lattice
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Funding
- Czech Science Foundation [P202/14-11585S]
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We explore the structure of non-redundant and minimal sets consisting of graded if-then rules. The rules serve as graded attribute implications in object-attribute incidence data and as similarity-based functional dependencies in a similarity-based generalization of the relational model of data. Based on our observations, we derive a polynomial-time algorithm which transforms a given finite set of rules into an equivalent one which has the least size in terms of the number of rules. (C) 2014 Elsevier Inc. All rights reserved.
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