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ICWSM
2009
15 years 3 months ago
CourseRank: A Closed-Community Social System through the Magnifying Glass
Social sites are extremely popular among users but user interactions in most sites revolve around relatively simple tasks, such as uploading resources, tagging and poking friends....
Georgia Koutrika, Benjamin Bercovitz, Filip Kalisz...
CHI
2011
ACM
14 years 9 months ago
The impact of network structure on breaking ties in online social networks: unfollowing on twitter
We investigate the breaking of ties between individuals in the online social network of Twitter, a hugely popular social media service. Building on sociology concepts such as stre...
Funda Kivran-Swaine, Priya Govindan, Mor Naaman
ACL
2012
13 years 8 months ago
Social Event Radar: A Bilingual Context Mining and Sentiment Analysis Summarization System
Social Event Radar is a new social networking-based service platform, that aim to alert as well as monitor any merchandise flaws, food-safety related issues, unexpected eruption o...
Wen-Tai Hsieh, Chen Ming Wu, Tsun Ku, Seng-cho Tim...
JUCS
2006
133views more  JUCS 2006»
15 years 6 months ago
The Transformation of the Web: How Emerging Communities Shape the Information we Consume
: To date, one of the main aims of the World Wide Web has been to provide users with information. In addition to private homepages, large professional information providers, includ...
Josef Kolbitsch, Hermann A. Maurer
SIGCOMM
2010
ACM
15 years 6 months ago
Unbiased sampling in directed social graph
Microblogging services, such as Twitter, are among the most important online social networks(OSNs). Different from OSNs such as Facebook, the topology of microblogging service is ...
Tianyi Wang, Yang Chen, Zengbin Zhang, Peng Sun, B...