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Learning fuzzy rules from incomplete quantitative data by rough sets | IEEE Conference Publication | IEEE Xplore

Learning fuzzy rules from incomplete quantitative data by rough sets


Abstract:

In this paper, we deal with the problem of learning from incomplete quantitative data sets based on rough sets. Quantitative values are first transformed into fuzzy sets ...Show More

Abstract:

In this paper, we deal with the problem of learning from incomplete quantitative data sets based on rough sets. Quantitative values are first transformed into fuzzy sets of linguistic terms using membership functions. Unknown attribute values are then assumed to be any possible linguistic terms and are gradually refined according to the fuzzy incomplete lower and upper approximations derived from the given quantitative training examples. The examples and the approximations then interact on each other to derive certain and possible rules and to estimate appropriate unknown values. The rules derived can then serve as knowledge concerning the incomplete quantitative data set.
Date of Conference: 12-17 May 2002
Date Added to IEEE Xplore: 07 August 2002
Print ISBN:0-7803-7280-8
Conference Location: Honolulu, HI, USA

References

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