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1、北京化工大學(xué)碩士學(xué)位論文withthegrowthofthenetworksize，theclusteringcoefficientdecreasesalongwiththegrowthofthenetworksize，thedegreedistributionexponenttendstoaconstantvalueasthenetworksizegrows’gradually．Finally,weconfirmedthesmallworldphenomenonandscalefreepropertyofthenetworkaccordingtothetheoryofcomplex
2、networks．ItisshownthattheuserrelationshipnetworkofmicroblogevolvesbasingonBAscale-freenetworkmechanismaswellasthecommonneighbordrivemechanismtogether．Andthechangingofmixingratiocanresultinthechangeoftopologicalcharacteristicsofthenetwork．KEYWORDS：complexnetworks，smallworld，scalefree，topologycha
3、racteristics目錄第一章緒論??????????????????11．1課題研究背景?????????????????11．2課題研究目的及意義???????????????21．3國(guó)內(nèi)外研究現(xiàn)狀????????????????．31．4本文主要研究工作及創(chuàng)新點(diǎn)?????????????91．5本文組織結(jié)構(gòu)????????????????．．10第二章復(fù)雜網(wǎng)絡(luò)的基本概念????????????．112．1復(fù)雜網(wǎng)絡(luò)的基本拓?fù)涮匦?????????????．112．1．1平均最短路徑長(zhǎng)度??????????????．．112．1．2聚類(lèi)系數(shù)?????????????????．．
4、122．1．3度及度分布?????????????????132．2小世界效應(yīng)與無(wú)標(biāo)度特性?????????????．142．2．1小世界效應(yīng)????????????????．．142．2．2無(wú)標(biāo)度特性????????????????．．152．3小結(jié)???????????????????．16第三章微博用戶(hù)關(guān)系網(wǎng)絡(luò)演化特性??????????173．1微博用戶(hù)關(guān)系網(wǎng)絡(luò)數(shù)據(jù)采樣????????????．．173．1．1微博用戶(hù)關(guān)系網(wǎng)絡(luò)數(shù)據(jù)集????????????．．213．1．1微博用戶(hù)關(guān)系網(wǎng)絡(luò)數(shù)據(jù)集????????????．．183．2微博用戶(hù)關(guān)系網(wǎng)絡(luò)演化特性的研究???????
5、????213．2．1微博用戶(hù)關(guān)系網(wǎng)絡(luò)平均最短路徑長(zhǎng)度分析????????223．2．2微博用戶(hù)關(guān)系網(wǎng)絡(luò)聚類(lèi)系數(shù)分析??????????．．253．2．3微博用戶(hù)關(guān)系網(wǎng)絡(luò)度及度分布分析??????????．283．3小結(jié)???????????????????．．30V北京化工大學(xué)碩士學(xué)位論文第四章微博用戶(hù)關(guān)系網(wǎng)絡(luò)模型???????????．．334．1微博用戶(hù)關(guān)系網(wǎng)絡(luò)分析??????????????334．2微博用戶(hù)關(guān)系網(wǎng)絡(luò)模型??????????????354．2．1微博用戶(hù)關(guān)系網(wǎng)絡(luò)模型構(gòu)造算法???????????364．2．2微博用戶(hù)關(guān)系網(wǎng)絡(luò)模型拓?fù)涮匦苑治?????????．
6、．364．2．3微博用戶(hù)關(guān)系網(wǎng)絡(luò)模型驗(yàn)證????????????．394．3小結(jié)???????????????????．45第五章總結(jié)與展望???????????????．475．1總結(jié)?????????．．j?．!????????475．2展望???????????????????．．48參考文獻(xiàn)?????????????????．．49致謝???????????????一．．．??．51研究成果及發(fā)表的學(xué)術(shù)論文????????????．．53作者及導(dǎo)師簡(jiǎn)介????????????????．．55ContentsChapter1Introduction??????????????．
7、．11．1Researchbackgroundandsignificance???????????．11．2Researchpurposeandmeaning．．??．，?．????????．21．3Researchstatusathomeandabroad????????????31．4Mainworkandinnovation??????．?????．??．．91．5Thestructureofthispaper??????????????10Chap
