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» The Relative Complexity of NP Search Problems
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AIPS
2008
15 years 7 months ago
The Complexity of Optimal Planning and a More Efficient Method for Finding Solutions
We present a faster method of solving optimal planning problems and show that our solution performs up to an order of magnitude faster than Satplan on a variety of problems from t...
Katrina Ray, Matthew L. Ginsberg
CSC
2008
15 years 7 months ago
Efficient and Effective Practical Algorithms for the Set-Covering Problem
- The set-covering problem is an interesting problem in computational complexity theory. In [1], the setcovering problem has been proved to be NP hard and a greedy heuristic algori...
Qi Yang, Jamie McPeek, Adam Nofsinger
COMPGEOM
2007
ACM
15 years 9 months ago
On the hardness of minkowski addition and related operations
For polytopes P, Q Rd we consider the intersection P Q; the convex hull of the union CH(P Q); and the Minkowski sum P + Q. We prove that given rational H-polytopes P1, P2, Q it...
Hans Raj Tiwary
CSL
2003
Springer
15 years 10 months ago
Constraint Satisfaction with Countable Homogeneous Templates
For a fixed countable homogeneous relational structure Γ we study the computational problem whether a given finite structure of the same signature homomorphically maps to Γ. T...
Manuel Bodirsky, Jaroslav Nesetril
134
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TARK
2005
Springer
15 years 11 months ago
Complexity results for logics of local reasoning and inconsistent belief
Fagin, Halpern, Moses, and Vardi have proposed a framework of epistemic agents with multiple “frames of mind” (local-reasoning structures), to solve problems concerning incons...
Martin Allen