140 search results - page 12 / 28 » Finding hierarchy in directed online social networks |
HT
2010
ACM
13 years 9 months ago
2010
ACM
Online social sharing sites are becoming very popular nowadays among Web users, who use these sites to share their favourite items and to discover interesting and useful items fro...
PKAW
2010
13 years 5 months ago
2010
Abstract. Estimating influence of a node is an important problem in social network analyses. We address this problem in a particular class of model for opinion propagation in whic...
GROUP
2003
ACM
14 years 19 days ago
2003
ACM
Although the Internet provides powerful tools for social interactions, many tasks—for example, information-seeking—are undertaken as solitary activities. Information seekers a...
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
Online social networks offer opportunities to analyze user behavior and social connectivity and leverage resulting insights for effective online advertising. We study the adopti...
CHI
2010
ACM
14 years 2 months ago
2010
ACM
Relations between users on social media sites often reflect a mixture of positive (friendly) and negative (antagonistic) interactions. In contrast to the bulk of research on soci...