基于形式背景合成與分解的面向?qū)ο笈c面向?qū)傩愿拍罡裆?pdf

1、西北大學(xué)碩士學(xué)位論文基于形式背景合成與分解的面向?qū)ο笈c面向?qū)傩愿拍罡裆尚彰阂V申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：應(yīng)用數(shù)學(xué)指導(dǎo)教師：魏玲20100605Abstract(英文摘要)Conceptlatticetheory(alsocalledFormalConceptAnalysis)，proposedbyRWillein1982，isamethodfordataanalysisusedinfindingorderinganddisplayin

2、gofconceptsThebasictermof”concept”isdevelopedfromtheconceptofphilosophyInphilosophyconceptisunderstoodasathoughtunitwhichiscomposedbyextensionandintentionGedigaG，DuntshIandYao，YYintroducedapproximationoperatorofRoughSetT

3、heoryintothetheoryofconceptlattices，andpresentedobjectorientedconceptlatticesandpropertyorientedconceptlatticesrespectivelyThethesiswasaccomplishedonthebasisofthatThispapermainlystudiestheconstructionmethodsofobjectorien

4、tedconceptlatticesandpropertyorientedconceptlatticeswhencombininganddecomposingformalcontextsThemajorresultsare“1ConstructionofobjectorientedconceptlatticesthroughthecombinationanddecompositionofclassicformalcontextsFirs

5、tlyconstructionofobjectconceptlatticetheoryfromcombinationofformalcontexts，andthen，constructionofobjectconceptlatticetheoryfromsubformalcontextsFinallythegeneralizationisgiven2Constructionofpropertyorientedconceptlattice

6、sthroughthecombinationanddecompositionofclassicformalcontextsFirstlyconstructionofpropertyconceptlatticetheoryfromcombinationofformalcontexts，andthenconstructionofpropertyconceptlatticetheoryfromsub—formalcontextsFinally