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ICALP
2011
Springer
12 years 11 months ago
Clustering with Local Restrictions
We study a family of graph clustering problems where each cluster has to satisfy a certain local requirement. Formally, let µ be a function on the subsets of vertices of a graph G...
Daniel Lokshtanov, Dániel Marx
ICALP
2007
Springer
14 years 1 months ago
Parameterized Approximability of the Disjoint Cycle Problem
Abstract. We give an fpt approximation algorithm for the directed vertex disjoint cycle problem. Given a directed graph G with n vertices and a positive integer k, the algorithm co...
Martin Grohe, Magdalena Grüber
FCT
1999
Springer
13 years 11 months ago
Restrictive Acceptance Suffices for Equivalence Problems
One way of suggesting that an NP problem may not be NP-complete is to show that it is in the promise class UP. We propose an analogous new method—weaker in strength of evidence ...
Bernd Borchert, Lane A. Hemaspaandra, Jörg Ro...
CCECE
2009
IEEE
14 years 2 months ago
Inverse data transformation for change detection in wind turbine diagnostics
A complex system is expected to show different nominal behaviors under different conditions, and the deviation over time from these nominal behaviors is an indicator of potential ...
Yanjun Yan, Lisa Ann Osadciw, Glen Benson, Eric Wh...
EMSOFT
2007
Springer
14 years 1 months ago
WCET estimation for executables in the presence of data caches
This paper describes techniques to estimate the worst case execution time of executable code on architectures with data caches. The underlying mechanism is Abstract Interpretation...
Rathijit Sen, Y. N. Srikant