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» An Approximation Algorithm for Approximation Rank
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JCO
2007
149views more  JCO 2007»
15 years 6 months ago
A 2-approximation for the preceding-and-crossing structured 2-interval pattern problem
The 2-interval pattern problem over its various models and restrictions was proposed by Vialette (2004) for the application of RNA secondary structure prediction. We present an O(n...
Minghui Jiang
SCL
2010
98views more  SCL 2010»
15 years 5 months ago
Symbolic models for nonlinear time-delay systems using approximate bisimulations
In this paper we show that incrementally stable nonlinear time–delay systems admit symbolic models which are approximately equivalent, in the sense of approximate bisimulation, ...
Giordano Pola, Pierdomenico Pepe, Maria Domenica D...
AAAI
1992
15 years 7 months ago
Causal Approximations
models require the identi cation of abstractions and approximations that are well suited to the task at hand. In this paper we analyze the problem of automatically selecting adequ...
P. Pandurang Nayak
PPSN
2010
Springer
15 years 5 months ago
Tight Bounds for the Approximation Ratio of the Hypervolume Indicator
The hypervolume indicator is widely used to guide the search and to evaluate the performance of evolutionary multi-objective optimization algorithms. It measures the volume of the ...
Karl Bringmann, Tobias Friedrich
SODA
2003
ACM
106views Algorithms» more  SODA 2003»
15 years 8 months ago
Maintaining all-pairs approximate shortest paths under deletion of edges
We present a hierarchical scheme for efficiently maintaining all-pairs approximate shortest-paths in undirected unweighted graphs under deletions of edges. An α-approximate short...
Surender Baswana, Ramesh Hariharan, Sandeep Sen