Presentation	2011/12/12 Theoretical Basis of Keyword Division in the Fast STD Using Suffix Array Kouichi Katsurada, Yurie Iribe, Tsuneo Nitta,
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Abstract(in English)	We have proposed a spoken term detection (STD) method using a suffix array, and have evaluated its search speed on a large speech database. This method employs iterative lengthening search and keyword division for quicker search, as well as utilizing the suffix array as a data structure. In this method, we control the threshold value to keep the search results unchanged when searching for the divided keywords. However, we have only considered the cases where the original keyword is equally divided. In this paper, we investigate theoretical conditions to be satisfied by the threshold values when the keyword is divided into arbitrary length and number of sub-keywords.
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Paper #	Vol.2011-SLP-89 No.16
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Committee	NLC
Conference Date	2011/12/12(1days)
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Registration To	Natural Language Understanding and Models of Communication (NLC)
Language	JPN
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Title (in English)	Theoretical Basis of Keyword Division in the Fast STD Using Suffix Array
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1st Author's Name	Kouichi Katsurada
1st Author's Affiliation	Toyohashi University of Technology()
2nd Author's Name	Yurie Iribe
2nd Author's Affiliation	Toyohashi University of Technology
3rd Author's Name	Tsuneo Nitta
3rd Author's Affiliation	Toyohashi University of Technology
Date	2011/12/12
Paper #	Vol.2011-SLP-89 No.16
Volume (vol)	vol.111
Number (no)	364
Page	pp.pp.-
#Pages	6
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