Multiset automata

被引:0
|
作者
Csuhaj-Varjú, Erzsébet [1 ]
Martín-Vide, Carlos [2 ]
Mitrana, Victor [3 ]
机构
[1] Computer and Automation Research Institute, Hungarian Academy of Sciences, Kende u. 13-17, H-1111 Budapest, Hungary
[2] Research Group on Mathematical Linguistics, Rovira i Virgili University, Pça. Imperial Tàrraco 1, 43005 Tarragona, Spain
[3] University of Bucharest, Faculty of Mathematics, Str. Academiei 14, 70109 Bucharest, Romania
关键词
Computers;
D O I
10.1007/3-540-45523-x_4
中图分类号
学科分类号
摘要
We propose a characterization of a Chomsky-like hierarchy of multiset grammars in terms of multiset automata. We also present the deterministic variants of all the automata investigated and prove that, unlike the string case, most of them are strictly less powerful than the nondeterministic variants. Some open problems and further directions of research are briefly discussed. © 2001 Springer-Verlag Berlin Heidelberg.
引用
收藏
页码:69 / 83
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