{"title":"基于公差的点闭包系统","authors":"Wanli Chen","doi":"10.1109/GCIS.2012.52","DOIUrl":null,"url":null,"abstract":"Tolerances provide a general tool for studying indiscernibility phenomena that are ubiquitous in data analysis and knowledge system. The collections of blocks, classes and point closures form three different coverings closely related to the given tolerance. The structure and property of the induced point closure system are investigated, and axiomizations of three types of covering based rough approximation operators are discussed from the relational viewpoint, in which point closure system plays an important role.","PeriodicalId":337629,"journal":{"name":"2012 Third Global Congress on Intelligent Systems","volume":"103 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"On the Point Closure System by Tolerance\",\"authors\":\"Wanli Chen\",\"doi\":\"10.1109/GCIS.2012.52\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Tolerances provide a general tool for studying indiscernibility phenomena that are ubiquitous in data analysis and knowledge system. The collections of blocks, classes and point closures form three different coverings closely related to the given tolerance. The structure and property of the induced point closure system are investigated, and axiomizations of three types of covering based rough approximation operators are discussed from the relational viewpoint, in which point closure system plays an important role.\",\"PeriodicalId\":337629,\"journal\":{\"name\":\"2012 Third Global Congress on Intelligent Systems\",\"volume\":\"103 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-11-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 Third Global Congress on Intelligent Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/GCIS.2012.52\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 Third Global Congress on Intelligent Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/GCIS.2012.52","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Tolerances provide a general tool for studying indiscernibility phenomena that are ubiquitous in data analysis and knowledge system. The collections of blocks, classes and point closures form three different coverings closely related to the given tolerance. The structure and property of the induced point closure system are investigated, and axiomizations of three types of covering based rough approximation operators are discussed from the relational viewpoint, in which point closure system plays an important role.
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