309 search results - page 11 / 62 » Expertise networks in online communities: structure and algo... |
ICDM
2009
IEEE
14 years 2 months ago
2009
IEEE
—Applying the concept of organizational structure to social network analysis may well represent the power of members and the scope of their power in a social network. In this pap...
WWW
2010
ACM
14 years 2 months ago
2010
ACM
We propose a novel method, based on concepts from expander graphs, to sample communities in networks. We show that our sampling method, unlike previous techniques, produces subgra...
KDD
2007
ACM
14 years 8 months ago
2007
ACM
We propose frameworks and algorithms for identifying communities in social networks that change over time. Communities are intuitively characterized as "unusually densely kni...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Complex network analysis is a growing research area in a wide variety of domains and has recently become closely associated with data, text and web mining. One of the most active ...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
Users of social networking services can connect with each other by forming communities for online interaction. Yet as the number of communities hosted by such websites grows over ...