22772.區(qū)間值決策形式背景分析

1、4V坐縣.Ji?密級：無UDC：單位代碼:山西師范大學研究生碩士學位論文區(qū)間值決策形式背景分析SflfiSr^CCZHmvhm■II丨I“1^3指導教師姓名王虹教授學院數(shù)學與計算機科學學院申請學位級別理學碩士專業(yè)名稱應用數(shù)學論文提交日期2014年3月31曰論文答辯日期2014年5月18日學位授予單位山西師范大學學位授予日期2014年月日答辯委員會主席張勤海教授評閱人米據(jù)生教授魏玲教授101182014年3月31日Title:Analys

2、isofIntervalvaluedDecisionFmalContextsMaj:AppliedMathematicsName:PinzhiCuiSignature:________________Supervis:ProfessHongWangSignature:________________AbstractThetheyofconceptlatticealsocalledfmalconceptanalysisproposedby

3、theGermanmathematicianWilleR.in1982isahighlyefficientprocessingmathematicaltoolofdataanalysisandknowledgediscovery.Itisperfectintheywidelyextendedinapplicationsincethe1990sandfurtherithasgraduallybecomeanimptantresearcho

4、bjectofartificialintelligencediscipline.Atpresentthetheyofconceptlatticehasbeenwidelyappliedindataminingknowledgeacquisitioninfmationretrievalmachinelearninggranularcomputingsoftwareengineeringandotherfields.Classicfmalc

5、onceptanalysisismainlydealingwithsinglevaluedfmalcontextbutintherealwldbecauseofthecomplexityoftheissueattributevaluetendstobecontinuoustherefeitwillbeeasiertodescribecomplexdataanduncertaintyofpracticalproblemsbyusingin

6、tervalvalued.ThispaperconstructesthelargeintervalvaluedconceptsandtheirlargeintervalvaluedconceptlatticesbasedonintervalvaluedfmalcontextandgivesanapproachtoattributereductoflargeintervalvaluedconceptlatticesOnthebasisof

7、classicalconsistentdecisionfmalcontextweintroduceconsistentintervalvalueddecisionfmalcontextanddiscusstheproblemsofattributereductionandruleacquisitioninconsistentintervalvalueddecisionfmalcontextwefmulateanewknowledgere

8、ductionframewkinintervalvalueddecisionfmalcontextsfromtheperspectiveofruleacquisitionandalsocanderivemecompactdecisionrulesfromthereducedintervalvalueddecisionfmalcontext.【KeyWds】IntervalvaluedfmalcontextIntervalvaluedde