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Paper Abstract and Keywords
Presentation 2006-02-03 09:30
Improvement in precision and recall of a WWW Search Engine by using Hierarchical Structure of Headline
Naoki Nishiguchi, Akiyo Matsumoto, Tatsuhiro Konishi (Shizuoka Univ), Akira Takagi (CSK SYSTEMS), Teruo Koyama (NII), Yoshio Miyake (Chukyou Univ), Yukihiro Itoh (Shizuoka Univ)
Abstract (in Japanese) (See Japanese page) 
(in English) In This paper, we propose a method to improve precision and recall of WWW search engines. In order to improve the precision and recall, our search engine checks whether input keywords have a semantic relation in the candidate pages or not. Semantic relations between keywords are represented by using structures, such as sentence, table, headlines and so on. In this paper we deal with headlines as a structure to represent semantic relations. We focus on retrieval conditions represented by two kyewords and propose a method to detect semantic relations between them represented by the structure of headlines in candidate pages. We also show an experimental evaluation of our method.
Keyword (in Japanese) (See Japanese page) 
(in English) Information Retrieval / Search Engine / Natural Language / Headline / Hierarchical Structure / WWW / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 595, NLC2005-114, pp. 1-6, Feb. 2006.
Paper # NLC2005-114 
Date of Issue 2006-01-27 (NLC) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee NLC  
Conference Date 2006-02-02 - 2006-02-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Laforet Biwako 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NLC 
Conference Code 2006-02-NLC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement in precision and recall of a WWW Search Engine by using Hierarchical Structure of Headline 
Sub Title (in English)  
Keyword(1) Information Retrieval  
Keyword(2) Search Engine  
Keyword(3) Natural Language  
Keyword(4) Headline  
Keyword(5) Hierarchical Structure  
Keyword(6) WWW  
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Keyword(8)  
1st Author's Name Naoki Nishiguchi  
1st Author's Affiliation Shizuoka University (Shizuoka Univ)
2nd Author's Name Akiyo Matsumoto  
2nd Author's Affiliation Shizuoka University (Shizuoka Univ)
3rd Author's Name Tatsuhiro Konishi  
3rd Author's Affiliation Shizuoka University (Shizuoka Univ)
4th Author's Name Akira Takagi  
4th Author's Affiliation CSK SYSTEMS corporation (CSK SYSTEMS)
5th Author's Name Teruo Koyama  
5th Author's Affiliation National Institute of Informatics (NII)
6th Author's Name Yoshio Miyake  
6th Author's Affiliation Chukyou University (Chukyou Univ)
7th Author's Name Yukihiro Itoh  
7th Author's Affiliation Shizuoka University (Shizuoka Univ)
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Speaker Author-1 
Date Time 2006-02-03 09:30:00 
Presentation Time 30 minutes 
Registration for NLC 
Paper # NLC2005-114 
Volume (vol) vol.105 
Number (no) no.595 
Page pp.1-6 
#Pages 6 
Date of Issue 2006-01-27 (NLC) 

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