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ICARIS
2009
Springer

Efficient Algorithms for String-Based Negative Selection

14 years 3 months ago
Efficient Algorithms for String-Based Negative Selection
Abstract. String-based negative selection is an immune-inspired classification scheme: Given a self-set S of strings, generate a set D of detectors that do not match any element of S. Then, use these detectors to partition a monitor set M into self and non-self elements. Implementations of this scheme are often impractical because they need exponential time in the size of S to construct D. Here, we consider r-chunk and r-contiguous detectors, two common implementations that suffer from this problem, and show that compressed representations of D are constructible in polynomial time for any given S and r. Since these representations can themselves be used to classify the elements in M, the worst-case running time of r-chunk and r-contiguous detector based negative selection is reduced from exponential to polynomial.
Michael Elberfeld, Johannes Textor
Added 16 Aug 2010
Updated 16 Aug 2010
Type Conference
Year 2009
Where ICARIS
Authors Michael Elberfeld, Johannes Textor
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