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CRIWG
2003
13 years 11 months ago
Building Virtual Communities for Information Retrieval
The search for relevant information is often hindered by the initial difficulty in formulating precise requests, and because much knowledge is actually tacit and thus not easily ac...
Daniel Memmi, Olivier Nérot
CEAS
2007
Springer
14 years 4 months ago
Email Communities of Interest
Email has become an integral and sometimes overwhelming part of users’ personal and professional lives. In this paper, we measure the flow and frequency of user email toward th...
Lisa Johansen, Michael Rowell, Kevin R. B. Butler,...
KDD
2009
ACM
173views Data Mining» more  KDD 2009»
14 years 10 months ago
Constant-factor approximation algorithms for identifying dynamic communities
We propose two approximation algorithms for identifying communities in dynamic social networks. Communities are intuitively characterized as "unusually densely knit" sub...
Chayant Tantipathananandh, Tanya Y. Berger-Wolf
KDD
2009
ACM
379views Data Mining» more  KDD 2009»
14 years 2 months ago
MetaFac: community discovery via relational hypergraph factorization
This paper aims at discovering community structure in rich media social networks, through analysis of time-varying, multi-relational data. Community structure represents the laten...
Yu-Ru Lin, Jimeng Sun, Paul Castro, Ravi B. Konuru...
ICDE
2009
IEEE
140views Database» more  ICDE 2009»
13 years 7 months ago
Routing Questions to the Right Users in Online Communities
Online forums contain huge amounts of valuable user-generated content. In current forum systems, users have to passively wait for other users to visit the forum systems and read/an...
Yanhong Zhou, Gao Cong, Bin Cui, Christian S. Jens...