Atsuhiro TAKASU


Optimal Pivot Selection Method Based on the Partition and the Pruning Effect for Metric Space Indexes
Hisashi KURASAWA Daiji FUKAGAWA Atsuhiro TAKASU Jun ADACHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/03/01
Vol. E94-D  No. 3  pp. 504-514
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering)
Category: 
Keyword: 
pivot selectionsimilarity searchmetric space
 Summary | Full Text:PDF(1.7MB)

Margin-Based Pivot Selection for Similarity Search Indexes
Hisashi KURASAWA Daiji FUKAGAWA Atsuhiro TAKASU Jun ADACHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/06/01
Vol. E93-D  No. 6  pp. 1422-1432
Type of Manuscript:  Special Section PAPER (Special Section on Info-Plosion)
Category: Multimedia Databases
Keyword: 
similarity searchindexingmetric space
 Summary | Full Text:PDF(1.7MB)

Load Balancing Scheme on the Basis of Huffman Coding for P2P Information Retrieval
Hisashi KURASAWA Atsuhiro TAKASU Jun ADACHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/10/01
Vol. E92-D  No. 10  pp. 2064-2072
Type of Manuscript:  PAPER
Category: Contents Technology and Web Information Systems
Keyword: 
peer-to-peerinformation retrievalload balancingHuffman-coding
 Summary | Full Text:PDF(788.5KB)

Decomposing the Web Graph into Parameterized Connected Components
Tomonari MASADA Atsuhiro TAKASU Jun ADACHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/02/01
Vol. E87-D  No. 2  pp. 380-388
Type of Manuscript:  Special Section PAPER (Special Section on Information Processing Technology for Web Utilization)
Category: 
Keyword: 
link analysisWeb miningstrongly connected component
 Summary | Full Text:PDF(309.9KB)

Probabilistic Automaton-Based Fuzzy English-Text Retrieval
Manabu OHTA Atsuhiro TAKASU Jun ADACHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/09/01
Vol. E86-D  No. 9  pp. 1835-1844
Type of Manuscript:  PAPER
Category: Software Systems
Keyword: 
OCRfuzzy retrievalquery term expansionprobabilistic automatonbigram
 Summary | Full Text:PDF(360.3KB)

A Relevance-Based Superimposition Model for Effective Information Retrieval
Teruhito KANAZAWA Atsuhiro TAKASU Jun ADACHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/12/25
Vol. E83-D  No. 12  pp. 2152-2160
Type of Manuscript:  PAPER
Category: Natural Language Processing
Keyword: 
information retrievalvector space modeldocument vector modificationRS modelrelevance of documents
 Summary | Full Text:PDF(1.2MB)

A Minimum Path Decomposition of the Hasse Diagram for Testing the Consistency of Functional Dependencies
Atsuhiro TAKASU Tatsuya AKUTSU 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/02/25
Vol. E76-D  No. 2  pp. 299-301
Type of Manuscript:  LETTER
Category: Algorithm and Computational Complexity
Keyword: 
graph algorithmsdatabase querypartial match retrievaldisjoint paths
 Summary | Full Text:PDF(158.1KB)