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KDD
2007
ACM
192views Data Mining» more  KDD 2007»
15 years 10 months ago
Active exploration for learning rankings from clickthrough data
We address the task of learning rankings of documents from search engine logs of user behavior. Previous work on this problem has relied on passively collected clickthrough data. ...
Filip Radlinski, Thorsten Joachims
ICASSP
2011
IEEE
14 years 1 months ago
Nonstationary and temporally correlated source separation using Gaussian process
Blind source separation (BSS) is a process to reconstruct source signals from the mixed signals. The standard BSS methods assume a fixed set of stationary source signals with the ...
Hsin-Lung Hsieh, Jen-Tzung Chien
ICALP
2005
Springer
15 years 3 months ago
Dynamic Bin Packing of Unit Fractions Items
This paper studies the dynamic bin packing problem, in which items arrive and depart at arbitrary time. We want to pack a sequence of unit fractions items (i.e., items with sizes ...
Wun-Tat Chan, Tak Wah Lam, Prudence W. H. Wong
ICTCS
2005
Springer
15 years 3 months ago
Laxity Helps in Broadcast Scheduling
We study the effect of laxity, or slack time, on the online scheduling of broadcasts with deadlines. The laxity of a request is defined to be the ratio between its span (differe...
Stanley P. Y. Fung, Francis Y. L. Chin, Chung Keun...
ICCV
2007
IEEE
15 years 11 months ago
Fast Pixel/Part Selection with Sparse Eigenvectors
We extend the "Sparse LDA" algorithm of [7] with new sparsity bounds on 2-class separability and efficient partitioned matrix inverse techniques leading to 1000-fold spe...
Bernard Moghaddam, Yair Weiss, Shai Avidan