面向?qū)ο蟾拍罡竦膲嚎s

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摘 要 ：概念格理論是知識處理與分析的一種有力工具，在知識發(fā)現(xiàn)和數(shù)據(jù)挖掘等眾多領(lǐng)域有著重要的應(yīng)用。引入了概念相似度新的計算方法，由對象和屬性共同確定概念之間的相似程度，進而產(chǎn)生概念鄰域，并根據(jù)概念間相似程度來控制概念鄰域的大小，刪除不必要的節(jié)點，從而控制面向?qū)ο蟾拍罡裰泄?jié)點的個數(shù)，實現(xiàn)面向?qū)ο蟾拍罡竦膲嚎s和知識庫簡化。示例表明，當(dāng)參數(shù)的值較小時，壓縮效果明顯。
關(guān)鍵詞：形式背景；概念格；面向?qū)ο蟾拍罡?；相似度；鄰居?br />
Abstract：Concept lattice theory is a powerful tool for processing and analysis of knowledge, knowledge discovery and datamining, and other important applications. A new method of similarity calculation of concepts is introduced. Objects and properties are both used to determine the similarity of concepts, generate the concept neighborhood and control its size according to the similarity degree of concepts. And then, it removes unnecessary nodes, to control the number of nodes in the object-oriented concepts, realization of object-oriented concepts simplify the compression and the knowledge base. The examples show that the compressing of object-oriented concept lattice is more effect when parameter values are smaller.
Key words：formal context; concept lattice; object-oriented concept lattice; similarity degree; neighborhood

目錄
引言.........................................................................2
第一章 緒論...............................................................4
1.1課題研究背景......................................................4
1.2國內(nèi)外發(fā)展現(xiàn)狀...................................................4
1.3研究必要和總體思想..............................................5
第二章 預(yù)備知識..........................................................6
2.1概念格的建造.....................................................6
2.2概念格的規(guī)則提取................................................11
2.3定義.............................................................22
2.4開發(fā)環(huán)境.........................................................27
第三章 實例應(yīng)用........................................................28
第四章 實現(xiàn)過程........................................................33
4.1面向?qū)ο蟾拍罡竦臉?gòu)造..........................................34
4.2計算相似度......................................................36
4.3壓縮概念格......................................................39
小結(jié).......................................................................44
致謝.......................................................................45
參考文獻..................................................................45