Kazunori YAMAGUCHI


Discovery of Regular and Irregular Spatio-Temporal Patterns from Location-Based SNS by Diffusion-Type Estimation
Yoshitatsu MATSUDA Kazunori YAMAGUCHI Ken-ichiro NISHIOKA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/09/01
Vol. E98-D  No. 9  pp. 1675-1682
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
data miningSNSspatio-temporal patterndiffusion-type formulaBayesian estimationprincipal component analysis
 Summary | Full Text:PDF(975.3KB)

Global Mapping Analysis: Stochastic Gradient Algorithm in Multidimensional Scaling
Yoshitatsu MATSUDA Kazunori YAMAGUCHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/02/01
Vol. E95-D  No. 2  pp. 596-603
Type of Manuscript:  PAPER
Category: Artificial Intelligence, Data Mining
Keyword: 
multidimensional scalingstochastic gradient algorithmtext mining
 Summary | Full Text:PDF(340.1KB)