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» Social capital in online communities
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SIGIR
2008
ACM
13 years 10 months ago
Efficient top-k querying over social-tagging networks
Online communities have become popular for publishing and searching content, as well as for finding and connecting to other users. User-generated content includes, for example, pe...
Ralf Schenkel, Tom Crecelius, Mouna Kacimi, Sebast...
WIKIS
2009
ACM
14 years 5 months ago
Herding the cats: the influence of groups in coordinating peer production
Peer production systems rely on users to self-select appropriate tasks and “scratch their personal itch”. However, many such systems require significant maintenance work, whic...
Aniket Kittur, Bryan A. Pendleton, Robert E. Kraut
CHI
2007
ACM
14 years 2 months ago
Follow the reader: filtering comments on slashdot
Large-scale online communities need to manage the tension between critical mass and information overload. Slashdot is a news and discussion site that has used comment rating to al...
Cliff Lampe, Erik W. Johnston, Paul Resnick
CHI
2011
ACM
13 years 2 months ago
Tweets from Justin Bieber's heart: the dynamics of the location field in user profiles
Little research exists on one of the most common, oldest, and most utilized forms of online social geographic information: the “location” field found in most virtual community...
Brent Hecht, Lichan Hong, Bongwon Suh, Ed H. Chi
STOC
2007
ACM
127views Algorithms» more  STOC 2007»
14 years 11 months ago
First to market is not everything: an analysis of preferential attachment with fitness
The design of algorithms on complex networks, such as routing, ranking or recommendation algorithms, requires a detailed understanding of the growth characteristics of the network...
Christian Borgs, Jennifer T. Chayes, Constantinos ...