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JIS
2010
91views more  JIS 2010»
14 years 6 months ago
Beyond vandalism: Wikipedia trolls
Research on trolls is scarce, but their activities challenge online communities; one of the main challenges of the Wikipedia community is to fight against v...
Pnina Shachaf, Noriko Hara
JMLR
2010
179views more  JMLR 2010»
14 years 6 months ago
PAC-Bayesian Analysis of Co-clustering and Beyond
We derive PAC-Bayesian generalization bounds for supervised and unsupervised learning models based on clustering, such as co-clustering, matrix tri-factorization, graphical models...
Yevgeny Seldin, Naftali Tishby
JMLR
2010
143views more  JMLR 2010»
14 years 6 months ago
Regularized Discriminant Analysis, Ridge Regression and Beyond
Fisher linear discriminant analysis (FDA) and its kernel extension--kernel discriminant analysis (KDA)--are well known methods that consider dimensionality reduction and classific...
Zhihua Zhang, Guang Dai, Congfu Xu, Michael I. Jor...
JSAT
2010
158views more  JSAT 2010»
14 years 6 months ago
Ordered Binary Decision Diagrams, Pigeonhole Formulas and Beyond
Groote and Zantema proved that a particular OBDD computation of the pigeonhole formula has exponential size, and that limited OBDD derivations cannot simulate resolution polynomia...
Olga Tveretina, Carsten Sinz, Hans Zantema