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JMLR
2010
143views more  JMLR 2010»
13 years 6 months ago
A Quasi-Newton Approach to Nonsmooth Convex Optimization Problems in Machine Learning
We extend the well-known BFGS quasi-Newton method and its memory-limited variant LBFGS to the optimization of nonsmooth convex objectives. This is done in a rigorous fashion by ge...
Jin Yu, S. V. N. Vishwanathan, Simon Günter, ...
JPDC
2010
106views more  JPDC 2010»
13 years 6 months ago
Feedback-directed page placement for ccNUMA via hardware-generated memory traces
Non-uniform memory architectures with cache coherence (ccNUMA) are becoming increasingly common, not just for large-scale high performance platforms but also in the context of mul...
Jaydeep Marathe, Vivek Thakkar, Frank Mueller
MANSCI
2010
70views more  MANSCI 2010»
13 years 6 months ago
Trading Higher Software Piracy for Higher Profits: The Case of Phantom Piracy
This paper analytically explores the effect of software bundling on software piracy. We focus on piracy at individual user level where several individuals illegitimately share a s...
Ram D. Gopal, Alok Gupta
MSS
2010
IEEE
91views Hardware» more  MSS 2010»
13 years 6 months ago
The almost surely shrinking yolk
The yolk, defined by McKelvey as the smallest ball intersecting all median hyperplanes, is a key concept in the Euclidean spatial model of voting. Koehler conjectured that the yo...
Craig A. Tovey
PRL
2010
112views more  PRL 2010»
13 years 6 months ago
Reversible color-to-gray mapping using subband domain texturization
— The concept of reversible conversion of color images to gray ones has been recently introduced. Colors are mapped to textures and from the textures the receiver can recover the...
Ricardo L. de Queiroz