Hiroki SAKAJI


A Method for Extracting Sentences Including Causal Relations from Newspaper Articles
Hiroki SAKAJI  Shigeru MASUYAMA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/08/01
Vol. J94-D  No. 8  pp. 1496-1506
Type of Manuscript: PAPER
Category: 
Keyword: 
causal relationsemi-supervised learningsentence analysis
  Summary |  Full Text(in Japanese):PDF (320.7KB)

A Polarity Assignment Method to Basis Expressions of Economic Trends Extracted from Economic Newspaper Articles
Shota TANIGUCHI  Hiroki SAKAJI  Hiroyuki SAKAI  Shigeru MASUYAMA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/06/01
Vol. J94-D  No. 6  pp. 1039-1043
Type of Manuscript: LETTER
Category: 
Keyword: 
polarity assignmentbasis expressiontext mining
  Summary |  Full Text(in Japanese):PDF (143.8KB)

Cross-Bootstrapping: An Automatic Extraction Method of Solution-Effect Expressions from Patent Documents
Hiroki SAKAJI  Hirofumi NONAKA  Hiroyuki SAKAI  Shigeru MASUYAMA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2010/06/01
Vol. J93-D  No. 6  pp. 742-755
Type of Manuscript: Special Section PAPER (Special Section on Info-Plosion)
Category: 
Keyword: 
patent mininginformation extractiontext miningbootstrapping
  Summary |  Full Text(in Japanese):PDF (467.2KB)