Neighborhood systems and variable precision generalized rough sets

Yu Ru Syau, En Bing Lin, Churn Jung Liauy

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

In this paper, we present the connection between the concepts of Variable Precision Generalized Rough Set model (VPGRS-model) and Neighborhood Systems through binary relations. We provide characterizations of lower and upper approximations for VPGRS-model by introducing minimal neighborhood systems. Furthermore, we explore generalizations by investigating variable parameters which are limited by variable precision. We also prove some properties of lower and upper approximations for VPGRS-model.

Original languageEnglish
Pages (from-to)271-290
Number of pages20
JournalFundamenta Informaticae
Volume153
Issue number3
DOIs
StatePublished - 2017

Keywords

  • Neighborhood systems
  • lower and upper approximations
  • rough sets
  • variable precision generalized rough sets
  • variable precision rough sets

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