面向社交网络的信息传播关键技术研究.pdf

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1、分类号TP391.4学号13069053UDC004.9密级公开工学博士学位论文面向社交网络的信息传播关键技术研究博士生姓名朱湘学科专业软件工程研究方向数据挖掘与大数据分析指导教师贾焰教授国防科学技术大学研究生院二〇一七年四月ResearchonInformationDiffusioninOnlineSocialNetworksCandidate:ZHUXiangSupervisor:Prof.JIAYanAdissertationSubmittedinpartialfulfillmentoftherequir

2、ementsforthedegreeofDoctorofEngineeringinSoftwareEngineeringGraduateSchoolofNationalUniversityofDefenseTechnologyChangsha,Hunan,P.R.ChinaApril11,2017国防科学技术大学研究生院博士学位论文目录摘要......................................................................................

3、..................................iABSTRACT...............................................................................................................iii第一章绪论...............................................................................................

4、.............11.1研究背景及意义.......................................................................................31.1.1在线社交网络概述........................................................................31.1.2社交网络信息传播..............................................

5、..........................61.1.3研究意义........................................................................................81.1.4面临的挑战....................................................................................91.2相关研究工作............................

6、...............................................................101.2.1影响力最大化................................................................................101.2.2实时个性化搜索............................................................................131.2.3语言模型

7、与文本分类....................................................................151.2.4传播模型的学习............................................................................171.3本文的工作与创新.................................................................................

8、..191.4论文结构...................................................................................................21第二章社交网络中传播效率最大化问题............................................................232.1研究动机...