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Paper Abstract and Keywords
Presentation 2016-03-10 10:25
On the query preservation for nondeterministic tree transducers
Kazuki Miyahara (NAIST), Kenji Hashimoto (Nagoya Univ.), Hiroyuki Seki (NAIST/Nagoya Univ.) SS2015-79
Abstract (in Japanese) (See Japanese page) 
(in English) We consider the problem of deciding whether a query can be rewritten by a nondeterministic view. It is known that rewriting is decidable if views are given by single-valued non-copying devices such as compositions of single-valued extended linear top-down tree transducers with regular look-ahead, and queries are given by deterministic MSO tree transducers. In this paper, we extend the result to the case that views are given by nondeterministic devices that are not always single-valued. We define two variants of rewriting: universal preservation and existential preservation, and discuss the decidability of them.
Keyword (in Japanese) (See Japanese page) 
(in English) tree transducers / query rewriting / query preservation / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 508, SS2015-79, pp. 19-24, March 2016.
Paper # SS2015-79 
Date of Issue 2016-03-03 (SS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee SS  
Conference Date 2016-03-10 - 2016-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SS 
Conference Code 2016-03-SS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On the query preservation for nondeterministic tree transducers 
Sub Title (in English)  
Keyword(1) tree transducers  
Keyword(2) query rewriting  
Keyword(3) query preservation  
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1st Author's Name Kazuki Miyahara  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Kenji Hashimoto  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Hiroyuki Seki  
3rd Author's Affiliation Nara Institute of Science and Technology/Nagoya University (NAIST/Nagoya Univ.)
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Speaker
Date Time 2016-03-10 10:25:00 
Presentation Time 25 
Registration for SS 
Paper # SS2015-79 
Volume (vol) 115 
Number (no) no.508 
Page pp.19-24 
#Pages
Date of Issue 2016-03-03 (SS) 


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