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An immunological approach to change detection: theoretical results
This paper examines some of the theoretical foundations of the distributable change detection method introduced by S. Forrest et al. (1994), including fundamental bounds on some of its parameters. A short overview is given of the reasoning behind this method, its immunological counterpart and its co...
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Format: | Conference Proceeding |
Language: | English |
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Citations: | Items that cite this one |
Online Access: | Request full text |
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Summary: | This paper examines some of the theoretical foundations of the distributable change detection method introduced by S. Forrest et al. (1994), including fundamental bounds on some of its parameters. A short overview is given of the reasoning behind this method, its immunological counterpart and its computer implementation. The amount of information that is lost by splitting a data stream into unordered strings can be estimated, and this estimate can be used to guide the choice of string length. A lower bound on the size of the detector set is derived, based on information-theoretic grounds. The principle of holes (undetectable nonself strings) is illustrated, along with a proof of their existence for a large class of matching rules. The influence of holes on the achievable failure rate is discussed, along with guidelines on how to avoid them. |
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ISSN: | 1063-6900 2377-5459 |
DOI: | 10.1109/CSFW.1996.503687 |