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146
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WWW
2008
ACM
16 years 5 months ago
2008
ACM
We present a computational framework to automatically discover high-order temporal social patterns from very noisy and sparse location data. We introduce the concept of social foo...
140
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STOC
2009
ACM
16 years 5 months ago
2009
ACM
An affine disperser over Fn 2 for sources of dimension d is a function f : Fn 2 F2 such that for any affine space S Fn 2 of dimension at least d, we have {f(s) : s S} = F2. Aff...
145
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KDD
2007
ACM
16 years 5 months ago
2007
ACM
We present a family of algorithms to uncover tribes--groups of individuals who share unusual sequences of affiliations. While much work inferring community structure describes lar...
148
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KDD
2003
ACM
16 years 5 months ago
2003
ACM
Classification trees are widely used in the machine learning and data mining communities for modeling propositional data. Recent work has extended this basic paradigm to probabili...
126
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KDD
2002
ACM
16 years 5 months ago
2002
ACM
Large 0-1 datasets arise in various applications, such as market basket analysis and information retrieval. We concentrate on the study of topic models, aiming at results which in...