Encyclopedia of Database Systems

2018 Edition
| Editors: Ling Liu, M. Tamer Özsu

Grammar Inference

  • Matthew Young-Lai
Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-8265-9_182

Synonyms

Automata induction; Automatic induction; Automatic language induction; Grammar induction; Grammatical induction; Grammatical inference

Definition

Grammar inference is the task of learning grammars or languages from training data. It is a type of inductive inference, the name given to learning techniques that try to guess general rules from examples.

The basic problem is to find a grammar consistent with a training set of positive examples. Usually, the target language is infinite, while the training set is finite. Some work assumes that both positive and negative examples are available, but this is not true in most real applications. Sometimes probability information is attached to each example. In this case, it is possible to learn a probability distribution for the strings in the language in addition to the grammar. This is sometimes called stochastic grammar inference.

A grammar inference algorithm must target a particular grammar representation. More expressive...

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Sybase iAnywhereWaterlooCanada

Section editors and affiliations

  • Frank Tompa
    • 1
  1. 1.David R. Cheriton School of Computer ScienceUniv. of WaterlooWaterlooCanada