Using generalised Łukasiewicz’s t-norm to representand improve fuzzy rough approximations
سال انتشار: 1393
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 545
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شناسه ملی سند علمی:
JR_ACSIJ-3-6_001
تاریخ نمایه سازی: 9 اسفند 1393
چکیده مقاله:
Triangular norms are a generalisation of the classicaltwo-valued conjunction. They were originally introducedfor definition of the probabilistic (statistical) metricspaces as a generalisation of the classical triangleinequality for ordinary metric spaces. The nextinvestigations were related with axiomatic of thesenorms. In this paper, a new t-norm is proposed which isgeneralisation of the Łukaszewicz’s norm. Some selectedproperties of this generalised t-norm are first presented.Next , it is shown a possibility of generalisation of thenotions of lower and upper approximations used in fuzzyrough sets and also of obtaining better such approximations
کلیدواژه ها:
نویسندگان
Iwan Tabakow
Institute of informatics, Wroclaw University of Technology Wroclaw, Poland