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» Hardness of Parameterized Resolution
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SPIRE
2010
Springer
13 years 6 months ago
Restricted LCS
The Longest Common Subsequence (LCS) of two or more strings is a fundamental well-studied problem which has a wide range of applications throughout computational sciences. When the...
Zvi Gotthilf, Danny Hermelin, Gad M. Landau, Moshe...
DISOPT
2011
240views Education» more  DISOPT 2011»
13 years 2 months ago
On the directed Full Degree Spanning Tree problem
We study the parameterized complexity of a directed analog of the Full Degree Spanning Tree problem where, given a digraph D and a nonnegative integer k, the goal is to construct a...
Daniel Lokshtanov, Venkatesh Raman, Saket Saurabh,...
CORR
2011
Springer
187views Education» more  CORR 2011»
12 years 11 months ago
Backdoors to Tractable Answer-Set Programming
We present a unifying approach to the efficient evaluation of propositional answer-set programs. Our approach is based on backdoors which are small sets of atoms that represent ...
Johannes Klaus Fichte, Stefan Szeider
EUROGRAPHICS
2010
Eurographics
14 years 4 months ago
Improved Variational Guiding of Smoke Animations
Smoke animations are hard to art-direct because simple changes in parameters such as simulation resolution often lead to unpredictable changes in the final result. Previous work ...
Michael B. Nielsen and Brian B. Christensen
IPSN
2010
Springer
14 years 2 months ago
High-resolution, low-power time synchronization an oxymoron no more
We present Virtual High-resolution Time (VHT), a powerproportional time-keeping service that offers a baseline power draw of a low-speed clock (e.g. 32 kHz crystal), but provides...
Thomas Schmid, Prabal Dutta, Mani B. Srivastava