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IEICE TRANSACTIONS on Information

Teachability of a Subclass of Simple Deterministic Languages

Yasuhiro TAJIMA

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Summary :

We show teachability of a subclass of simple deterministic languages. The subclass we define is called stack uniform simple deterministic languages. Teachability is derived by showing the query learning algorithm for this language class. Our learning algorithm uses membership, equivalence and superset queries. Then, it terminates in polynomial time. It is already known that simple deterministic languages are polynomial time query learnable by context-free grammars. In contrast, our algorithm guesses a hypothesis by a stack uniform simple deterministic grammar, thus our result is strict teachability of the subclass of simple deterministic languages. In addition, we discuss parameters of the polynomial for teachability. The “thickness” is an important parameter for parsing and it should be one of parameters to evaluate the time complexity.

Publication
IEICE TRANSACTIONS on Information Vol.E96-D No.12 pp.2733-2742
Publication Date
2013/12/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E96.D.2733
Type of Manuscript
PAPER
Category
Fundamentals of Information Systems

Authors

Yasuhiro TAJIMA
  Okayama Prefectural University

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