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Paper Abstract and Keywords
Presentation 2011-03-07 14:45
Tree Automata with Constraints and their Closure-Properties
Katsuhisa Kurahashi, Masahiko Sakai, Naoki Nishida, Futoshi Nomura, Toshiki Sakabe, Keiichirou Kusakari (Nagoya Univ.) SS2010-63
Abstract (in Japanese) (See Japanese page) 
(in English) Tree automata are useful in analyzing properties of term rewriting systems since the class of recognizable tree languages is closed under union, intersection and complement and since the emptiness problem is decidable. Recently, constrained term rewriting systems are investigated and theorem proving methods of constrained systems attract attention. In this paper, by generalizing tree automata with equality and disequality constraints, we propose tree automata with constraints, for which one can specify structures that give an interpretation of predicate symbols and some function symbols. We also show that for every tree automaton with constraints there exists a deterministic and complete tree automaton with constraints, which recognizes the tree language recognized by the former one. In addition, we show that the class of recognized tree languages for tree automata with constraints is closed under union, intersection and complement.
Keyword (in Japanese) (See Japanese page) 
(in English) tree automata / constraint / closure property / / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 458, SS2010-63, pp. 61-66, March 2011.
Paper # SS2010-63 
Date of Issue 2011-02-28 (SS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SS  
Conference Date 2011-03-07 - 2011-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa-ken Seinen Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To SS 
Conference Code 2011-03-SS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Tree Automata with Constraints and their Closure-Properties 
Sub Title (in English)  
Keyword(1) tree automata  
Keyword(2) constraint  
Keyword(3) closure property  
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1st Author's Name Katsuhisa Kurahashi  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Masahiko Sakai  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Naoki Nishida  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Futoshi Nomura  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
5th Author's Name Toshiki Sakabe  
5th Author's Affiliation Nagoya University (Nagoya Univ.)
6th Author's Name Keiichirou Kusakari  
6th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2011-03-07 14:45:00 
Presentation Time 25 minutes 
Registration for SS 
Paper # SS2010-63 
Volume (vol) vol.110 
Number (no) no.458 
Page pp.61-66 
#Pages 6 
Date of Issue 2011-02-28 (SS) 

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