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TNN
2010
127views Management» more  TNN 2010»
14 years 6 months ago
RAMOBoost: ranked minority oversampling in boosting
In recent years, learning from imbalanced data has attracted growing attention from both academia and industry due to the explosive growth of applications that use and produce imba...
Sheng Chen, Haibo He, Edwardo A. Garcia
HICSS
2011
IEEE
247views Biometrics» more  HICSS 2011»
14 years 2 months ago
Is Happiness Contagious Online? A Case of Twitter and the 2010 Winter Olympics
Is happiness contagious online? To answer this question, this paper investigates the posting behavior of users on Twitter.com, a popular online service for sharing short messages....
Anatoliy A. Gruzd, Sophie Doiron, Philip Mai
ICASSP
2011
IEEE
14 years 2 months ago
Complex random matrices and multiple-antenna spectrum sensing
In this paper, we study the eigenvalue-based spectrum sensing techniques for multiple-antenna cognitive radio networks. First, we study the extreme eigenvalue distributions of a c...
Tharmalingam Ratnarajah, Caijun Zhong, Ayse Kortun...
ICASSP
2011
IEEE
14 years 2 months ago
Content preference estimation in online social networks: Message passing versus sparse reconstruction on graphs
We design two different strategies for computing the unknown content preferences in an online social network based on a small set of nodes in the corresponding social graph for wh...
Jacob Chakareski
FAST
2011
14 years 2 months ago
Just-in-Time Analytics on Large File Systems
As file systems reach the petabytes scale, users and administrators are increasingly interested in acquiring highlevel analytical information for file management and analysis. T...
H. Howie Huang, Nan Zhang 0004, Wei Wang, Gautam D...