国家自然科学基金(91124002)

作品数：7被引量：17H指数：3
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相关作者：曾洁邓小龙李欲晓司宏伟更多>>
相关机构：北京邮电大学国防科学技术大学更多>>
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社会关系网络分析基础理论:现状与展望被引量：1
《武汉理工大学学报（信息与管理工程版）》2016年第1期8-13,共6页邓小龙 李欲晓 曾洁 
十二五国家科技支撑计划资金资助项目(2013BAH43F01);国家自然科学基金重大研究计划资金资助项目(91124002)
针对关系结构、网络群体、网络信息这3个社会关系网络核心点,总结了社会关系网络的基本概念、分类、组成要素、社会关系网络分析的统计特性指标、社团结构划分算法等5个方面的主要问题和研究现状,并对未来与公共安全紧密相关的社会关系...
关键词：社会关系网络 分类 组成要素 统计特性指标 社团结构划分 个体及群体互动 
Finding the Hidden Hands:A Case Study of Detecting Organized Posters and Promoters in SINA Weibo被引量：1
《China Communications》2015年第11期143-155,共13页WANG Xiang ZHANG Zhilin YU Xiang JIA Yan ZHOU Bin LI Shasha 
supported by 973 Program of China(Grant No.2013CB329601, 2013CB329602,2013CB329604);NSFC of China(Grant No.60933005,91124002);863 Program of China(Grant No.2012AA01A401, 2012AA01A402);National Key Technology RD Program of China(Grant No.2012BAH38B04, 2012BAH38B06)
With the development of online social networks,a special group of online users named organized posters(or Internet water army,Internet paid posters in some literatures) have fl ooded the social network communities. Th...
关键词：organized posters internet water army online paid posters promoter MICROBLOGGING 
A new fragment re-allocation strategy for NoSQL database systems被引量：3
《Frontiers of Computer Science》2015年第1期111-127,共17页Zhikun CHEN Shuqiang YANG Shuang TAN Li HE Hong YIN Ge ZHANG 
Thanks to the anonymous reviewers for their insightful comments. This work was supported by National High Technology Research and Development Plan of China （＂863＂ plan）（2012AA012600, 2012AA01A402, 2012AA01A401, 2011AA010702 and 2010AA012505）; the National Natural Science Foundation of China （Grant Nos. 60933005 and 91124002）; the National Key Technology Research and Development Program of China （2012BAH38B04 and 2012BAH38B06）; National 242 Information Security Program of China （2011A010）.
Abstract NoSQL databases are famed for the characteristics of high scalability, high availability, and high faulttolerance. So NoSQL databases are used in a lot of applications. The data partitioning strategy and frag...
关键词：fragment allocation NoSQL database hypergraph partition clustering fragments fragment correlation 
A survey of social network and information dissemination analysis被引量：7
《Chinese Science Bulletin》2014年第32期4163-4172,共10页Binxing Fang Yan Jia Yi Han Shasha Li Bin Zhou 
supported by National BasicResearch Program of China(2013CB329601 and 2013CB329606);the National Natural Science Foundation of China(91124002,61372191,and 61303190)
In recent years,with the rapid growth of social network services(SNS),social networks pervade nearly every aspect of our daily lives.Social networks are influencing today’s societal and cultural issues,and changing t...
关键词：网络服务 信息传播 社交 文化问题 接近开关 运行机制 组成部分 结构特性 
NaEPASC:a novel and efficient public auditing scheme for cloud data被引量：2
《Journal of Zhejiang University-Science C(Computers and Electronics)》2014年第9期794-804,共11页Shuang TAN Yan JIA 
Project supported by the National Natural Science Foundation of China(Nos.60933005 and 91124002);the National High-Tech R&D Program(863)of China(Nos.2010AA012505,2011AA010702,2012AA01A401,and 2012AA01A402);the National 242 Foundation(No.2011A010);the National Technology Support Foundation(Nos.2012BAH38B04 and 2012BAH38B06)
Cloud computing is deemed the next-generation information technology(IT) platform, in which a data center is crucial for providing a large amount of computing and storage resources for various service applications wit...
关键词：Cloud storage Public verification Identity-based aggregate signature 
微博中基于增强型倒排索引的特定文档影响力估计算法
《计算机工程与科学》2014年第3期545-550,共6页司宏伟 
国家863计划资助项目(2011AA010702;2012AA01A402);国家自然科学基金资助项目(91124002);科技支撑计划课题(2012BAH38B06)
微博搜索系统中,将微博帖子根据搜索相关性和重要性进行排序,并通过列表的方式返回结果,是目前信息内容的主要展示手段。基于向量空间模型的打分函数被广泛地应用于该类系统中。事实上,微博系统中的帖子重要性打分函数实际取值并不为用...
关键词：信息获取 倒排索引 TFIDF指标 索引标记 
Measuring the spreadability of users in microblogs被引量：3
《Journal of Zhejiang University-Science C(Computers and Electronics)》2013年第9期701-710,共10页Zhao-yun DING Yan JIA Bin ZHOU Yi HAN Li HE Jian-feng ZHANG 
supported by the National Natural Science Foundation of China(Nos.60933005 and 91124002);the National High-Tech R&D Program (863) of China(Nos.012505,2011AA010702,2012AA01A401,and 2012AA01A402);the 242 Information Security Program(No.2011A010);the National Science and Technology Support Program(Nos.2012BAH38B04 and 2012BAH38B06),China
Message forwarding (e.g.,retweeting on Twitter.com) is one of the most popular functions in many existing microblogs,and a large number of users participate in the propagation of information,for any given messages.Whi...
关键词：SPREADABILITY INFLUENCE PAGERANK MICROBLOGS Social media Social network SpreadRank 
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