Beliakov, Gleb 2003, Fitting aggregation operators to data, in LINZ 2003 : Proceedings of the 24th Linz Seminar on Fuzzy Set Theory - Triangular Norms and Related Operators in Many-Valued Logics, Johannes Kepler University, Linz, Austria, pp. 70-72.
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LINZ 2003 : Proceedings of the 24th Linz Seminar on Fuzzy Set Theory - Triangular Norms and Related Operators in Many-Valued Logics
Johannes Kepler University
Place of publication
Theoretical advances in modelling aggregation of information produced a wide range of aggregation operators, applicable to almost every practical problem. The most important classes of aggregation operators include triangular norms, uninorms, generalised means and OWA operators. With such a variety, an important practical problem has emerged: how to fit the parameters/ weights of these families of aggregation operators to observed data? How to estimate quantitatively whether a given class of operators is suitable as a model in a given practical setting? Aggregation operators are rather special classes of functions, and thus they require specialised regression techniques, which would enforce important theoretical properties, like commutativity or associativity. My presentation will address this issue in detail, and will discuss various regression methods applicable specifically to t-norms, uninorms and generalised means. I will also demonstrate software implementing these regression techniques, which would allow practitioners to paste their data and obtain optimal parameters of the chosen family of operators.
Field of Research
020599 Optical Physics not elsewhere classified
HERDC Research category
E2 Full written paper - non-refereed / Abstract reviewed
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