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DATAMINE
2010
175views more  DATAMINE 2010»
13 years 7 months ago
Extracting influential nodes on a social network for information diffusion
We address the combinatorial optimization problem of finding the most influential nodes on a large-scale social network for two widely-used fundamental stochastic diffusion models...
Masahiro Kimura, Kazumi Saito, Ryohei Nakano, Hiro...
SIGMOD
2009
ACM
190views Database» more  SIGMOD 2009»
14 years 8 months ago
Augmented social cognition: using social web technology to enhance the ability of groups to remember, think, and reason
We are experiencing a new Social Web, where people share, communicate, commiserate, and conflict with each other. As evidenced by systems like Wikipedia, twitter, and delicious.co...
Ed H. Chi
HICSS
2002
IEEE
134views Biometrics» more  HICSS 2002»
14 years 19 days ago
Sense of Virtual Community-Maintaining the Experience of Belonging
E-commerce strategists advise companies to create virtual communities for their customers. But what is involved in establishing and maintaining virtual communities? This paper add...
Anita L. Blanchard, M. Lynne Markus
KDD
2007
ACM
168views Data Mining» more  KDD 2007»
14 years 8 months ago
Finding tribes: identifying close-knit individuals from employment patterns
We present a family of algorithms to uncover tribes--groups of individuals who share unusual sequences of affiliations. While much work inferring community structure describes lar...
Lisa Friedland, David Jensen
WWW
2007
ACM
14 years 8 months ago
Expertise networks in online communities: structure and algorithms
Web-based communities have become important places for people to seek and share expertise. We find that networks in these communities typically differ in their topology from other...
Jun Zhang, Mark S. Ackerman, Lada A. Adamic