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CIKM
2009
Springer
14 years 3 months ago
Reducing the risk of query expansion via robust constrained optimization
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...
Kevyn Collins-Thompson
SAIG
2000
Springer
14 years 18 days ago
On Jones-Optimal Specialization for Strongly Typed Languages
The phrase optimal program specialization" was de ned by Jones et al. in 1993 to capture the idea of a specializer being strong enough to remove entire layers of interpretatio...
Henning Makholm
ADHOC
2010
292views more  ADHOC 2010»
13 years 9 months ago
Sleep/wake scheduling for multi-hop sensor networks: Non-convexity and approximation algorithm
We investigate the problem of sleep/wake scheduling for low duty cycle sensor networks. Our work differs from prior work in that we explicitly consider the effect of synchronizati...
Yan Wu, Sonia Fahmy, Ness B. Shroff
TVCG
2008
108views more  TVCG 2008»
13 years 9 months ago
Particle-based labeling: Fast point-feature labeling without obscuring other visual features
In many information visualization techniques, labels are an essential part to communicate the visualized data. To preserve the expressiveness of the visual representation, a placed...
Martin Luboschik, Heidrun Schumann, Hilko Cords
CIKM
2011
Springer
12 years 9 months ago
Lower-bounding term frequency normalization
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
Yuanhua Lv, ChengXiang Zhai