Summary
Recently in different application domains, like medicine, industrial processes, etc., a great amount of data is recorded over a certain time period. Often quite complex patterns are searched among a background of irrelevant data, such that diagnoses becomes feasible. In the theory of formal languages complex temporal patterns are described by syntactic pattern recognition methods, where a grammatical inference is deduced. We propose to use extended context-free grammars, called Definitive Clause Grammars, to describe context dependence in primitive pattern sequences. Then we propose to use temporal expressions to build up the temporal patterns. It seems to us, that the ontological primitives usually used in AI-systems are too complex and too exact to real applications.
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Guimarães, G., Ultsch, A. (1997). A Symbolic Representation for Patterns in Time Series Using Definitive Clause Grammars. In: Klar, R., Opitz, O. (eds) Classification and Knowledge Organization. Studies in Classification, Data Analysis, and Knowledge Organization. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-59051-1_11
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DOI: https://doi.org/10.1007/978-3-642-59051-1_11
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