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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Learning Fuzzy Context-Free Grammar—A Preliminary Report
verfasst von : Olgierd Unold
Erschienen in: Grammatical Inference: Theoretical Results and Applications
Verlag: Springer Berlin Heidelberg
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This paper takes up the topic of a task of learning fuzzy context-free grammar from data. The induction process is divided into two phases: first the generic grammar is derived from the positive sentences, next the membership grades are assigned to the productions taking into account the occurrences of productions in a learning set. The problem of predicting the location of promoters in
Escherichia coli
is examined. Language of bacterial sequence can be described using formal system such as context-free grammar, and problem of promoter region recognition can be replaced by grammar induction. The induced fuzzy grammar was compared to other machine learning methods.