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ICASSP
2009
IEEE
13 years 6 months ago
Weighted nonnegative matrix factorization
Nonnegative matrix factorization (NMF) is a widely-used method for low-rank approximation (LRA) of a nonnegative matrix (matrix with only nonnegative entries), where nonnegativity...
Yong-Deok Kim, Seungjin Choi
CDC
2010
IEEE
136views Control Systems» more  CDC 2010»
13 years 3 months ago
Pathologies of temporal difference methods in approximate dynamic programming
Approximate policy iteration methods based on temporal differences are popular in practice, and have been tested extensively, dating to the early nineties, but the associated conve...
Dimitri P. Bertsekas
FIRSTMONDAY
2011
125views more  FIRSTMONDAY 2011»
13 years 3 months ago
The more people I meet, the more I like my dog: A study of pet-oriented social networks on the Web
There has been extensive research into friend-oriented and professional social networking websites, but relatively little work on passion-oriented sites designed to connect strang...
Jennifer Golbeck
KBS
2011
116views more  KBS 2011»
13 years 3 months ago
Advanced empirical testing
In today’s industrial applications, we see that knowledge systems are successfully implemented. However, critical domains require the elaborate and thoughtful validation of the ...
Joachim Baumeister
WWW
2011
ACM
13 years 3 months ago
Truthy: mapping the spread of astroturf in microblog streams
Online social media are complementing and in some cases replacing person-to-person social interaction and redefining the diffusion of information. In particular, microblogs have ...
Jacob Ratkiewicz, Michael Conover, Mark Meiss, Bru...