309 search results - page 20 / 62 » Expertise networks in online communities: structure and algo... |
CSCW
2002
ACM
13 years 7 months ago
2002
ACM
Through ethnographic research, we document the rise of personal social networks in the workplace, which we call intensional networks. Paradoxically, we find that the most fundament...
INFORMATICALT
2011
13 years 2 months ago
2011
Detecting communities in real world networks is an important problem for data analysis in science and engineering. By clustering nodes intelligently, a recursive algorithm is desig...
ICDM
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract--The increasing popularity of social media is shortening the distance between people. Social activities, e.g., tagging in Flickr, bookmarking in Delicious, twittering in T...
KDD
2003
ACM
14 years 8 months ago
2003
ACM
We are interested in finding natural communities in largescale linked networks. Our ultimate goal is to track changes over time in such communities. For such temporal tracking, we...
KDD
2008
ACM
14 years 8 months ago
2008
ACM
This paper addresses several key issues in the ArnetMiner system, which aims at extracting and mining academic social networks. Specifically, the system focuses on: 1) Extracting ...