首页|Selection of appropriate bonds between L-fuzzy formal contexts for recommendation tasks
Selection of appropriate bonds between L-fuzzy formal contexts for recommendation tasks
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NSTL
Elsevier
? 2022 Elsevier Inc.The bond between L-fuzzy formal contexts can be defined as a (Galois) connection between L-fuzzy concept lattices of L-fuzzy formal contexts. The selection of appropriate bond from the set of all bonds between L-fuzzy formal contexts is an important challenge to apply it in recommendation tasks. We propose the general method for the selection of bonds regarding external information given by L-fuzzy relation. The alternative versions of direct products of L-fuzzy formal contexts are formulated and explored since we demonstrate that the extent of direct product is a bond between input L-fuzzy formal contexts. We present examples of the benevolent and rigorous recommendations in several application domains including the real dataset about music genres. Finally, the connections with factorization of L-fuzzy formal contexts and Sugeno integral are thoroughly studied in our paper.
BondDirect productFactorizationL-fuzzy formal contextSugeno integral
Kridlo O.、Antoni、Krajci S.
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Institute of Computer Science Faculty of Science Pavol Jozef?afárik University in Ko?ice
NSTL
Elsevier
