Trapezoidal approximation and aggregation

Adrian Ban , Lucian Coroianu , Przemysław Grzegorzewski

Abstract

Trapezoidal approximation of fuzzy numbers is discussed in relation to data aggregation. An important problem whether it is better to simplify initial data before using an aggregation operator or conversely, to aggregate original fuzzy values and then to simplify the output is addressed.
Author Adrian Ban - [Universitatea din Oradea]
Adrian Ban,,
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, Lucian Coroianu - [Universitatea din Oradea]
Lucian Coroianu,,
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, Przemysław Grzegorzewski (FMIS / DSPFM)
Przemysław Grzegorzewski,,
- Department of Stochastic Processes and Financial Mathematics
Journal seriesFuzzy Sets and Systems, ISSN 0165-0114, (A 40 pkt)
Issue year2011
Vol177
No1
Pages45-59
Keywords in EnglishAggregation, Approximation of fuzzy numbers, Expected interval, Fuzzy number, Trapezoidal approximation
ASJC Classification1702 Artificial Intelligence; 2609 Logic
DOIDOI:10.1016/j.fss.2011.02.016
URL http://www.sciencedirect.com/science/article/pii/S0165011411000984
Score (nominal)40
Score sourcejournalList
Publication indicators WoS Citations = 23; Scopus Citations = 28; Scopus SNIP (Source Normalised Impact per Paper): 2011 = 1.952; WoS Impact Factor: 2011 = 1.759 (2) - 2011=1.988 (5)
Citation count*15 (2015-02-17)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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