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» Social capital in online communities
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TMM
2010
194views Management» more  TMM 2010»
13 years 4 months ago
Modeling Flickr Communities Through Probabilistic Topic-Based Analysis
Abstract--With the increased presence of digital imaging devices, there also came an explosion in the amount of multimedia content available online. Users have transformed from pas...
Radu Andrei Negoescu, Daniel Gatica-Perez
WWW
2009
ACM
14 years 10 months ago
Learning to recognize reliable users and content in social media with coupled mutual reinforcement
Community Question Answering (CQA) has emerged as a popular forum for users to pose questions for other users to answer. Over the last few years, CQA portals such as Naver and Yah...
Jiang Bian, Yandong Liu, Ding Zhou, Eugene Agichte...
WWW
2008
ACM
14 years 10 months ago
Tag-based social interest discovery
The success and popularity of social network systems, such as del.icio.us, Facebook, MySpace, and YouTube, have generated many interesting and challenging problems to the research...
Xin Li, Lei Guo, Yihong Eric Zhao
MM
2010
ACM
161views Multimedia» more  MM 2010»
13 years 10 months ago
Kodak moments and Flickr diamonds: how users shape large-scale media
In today's age of digital multimedia deluge, a clear understanding of the dynamics of online communities is capital. Users have abandoned their role of passive consumers and ...
Radu Andrei Negoescu, Alexander C. Loui, Daniel Ga...
CSCW
2010
ACM
14 years 3 months ago
Sending mixed signals: multilevel reputation effects in peer-to-peer lending markets
Online peer-to-peer (P2P) lending organizations enable an individual to obtain an unsecured loan from a collection of individuals without the participation of a bank. Previous res...
Benjamin C. Collier, Robert Hampshire