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Paper Abstract and Keywords
Presentation 2006-03-06 11:40
Mining Algorithms for Frequent Weighted Sequential Patterns
Tomoyuki Shibata, Tomofumi Nakano, Nobuhiro Inuzuka (Nagoya Tec.)
Abstract (in Japanese) (See Japanese page) 
(in English) The frequent sequence pattern mining from sequence databases is interesting for many applications.For applying to English sentence analysis words, part-of-speech, and other attributes may become items being consisted sequences of.Then the items should be added some weights.Also for importance of words from educational viewpoints weights must to be treated.Therefore we study algorithms for frequent weighted sequence mining.First PrefixSpan, which explore patterns from shorter ones by extending to the right, is extended a simple extension of Paper shows that it is correct only when the weight of sequence are given by the minimum weight of items.In order to overcome this restriction we give an algorithm which extends patterns without the extension direction.The correctness is proved.We also give experiments with English corpus for efficiency evaluation.
Keyword (in Japanese) (See Japanese page) 
(in English) datamining / text mining / language analysis / algorithms / / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 639, AI2005-42, pp. 11-16, March 2006.
Paper # AI2005-42 
Date of Issue 2006-02-27 (AI) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee AI  
Conference Date 2006-03-06 - 2006-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Kwansei Gakuin University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To AI 
Conference Code 2006-03-AI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Mining Algorithms for Frequent Weighted Sequential Patterns 
Sub Title (in English)  
Keyword(1) datamining  
Keyword(2) text mining  
Keyword(3) language analysis  
Keyword(4) algorithms  
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1st Author's Name Tomoyuki Shibata  
1st Author's Affiliation Nagoya Institute of Technology (Nagoya Tec.)
2nd Author's Name Tomofumi Nakano  
2nd Author's Affiliation Nagoya Institute of Technology (Nagoya Tec.)
3rd Author's Name Nobuhiro Inuzuka  
3rd Author's Affiliation Nagoya Institute of Technology (Nagoya Tec.)
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Speaker Author-1 
Date Time 2006-03-06 11:40:00 
Presentation Time 30 minutes 
Registration for AI 
Paper # AI2005-42 
Volume (vol) vol.105 
Number (no) no.639 
Page pp.11-16 
#Pages
Date of Issue 2006-02-27 (AI) 


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