309 search results - page 15 / 62 » Expertise networks in online communities: structure and algo... |
GECCO
2010
Springer
13 years 6 months ago
2010
Springer
A multiobjective genetic algorithm for detecting communities in dynamic networks, i.e., networks that evolve over time, is proposed. The approach leverages on the concept of evolu...
INFOVIS
2005
IEEE
14 years 1 months ago
2005
IEEE
Recent years have witnessed the dramatic popularity of online social networking services, in which millions of members publicly articulate mutual "friendship" relations....
ICDE
2010
IEEE
14 years 25 days ago
2010
IEEE
— Finding decompositions of a graph into a family of clusters is crucial to understanding its underlying structure. While most existing approaches focus on partitioning the nodes...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
We discover communities from social network data, and analyze the community evolution. These communities are inherent characteristics of human interaction in online social network...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Yahoo Answers (YA) is a large and diverse question-answer forum, acting not only as a medium for sharing technical knowledge, but as a place where one can seek advice, gather opin...