An Interoperability Test-Bed and Test Results for DAVIC 1.0 Specification. - Hidenori Okuda; Masahiro Morinaga; Hisashi Kasahara; Kazunori Shimamura (Multim. Tools Appl., 1997)

Topic Detection from Blog Documents Using Users' Interests. - Yuichiro Sekiguchi; Harumi Kawashima; Hidenori Okuda; Masahiro Oku (MDM, 2006)

Blogosonomy : Autotagging Any Text Using Bloggers' Knowledge. - Shigeru Fujimura 002; Ko Fujimura; Hidenori Okuda (Web Intelligence, 2007)

Discovery Search System That Supports the User's Interest Using the Referrals of Other Users. - Shinji Miyahara; Toru Sadakata; Hidenori Okuda; Masahiro Oku (Int. J. Hum. Comput. Interact., 2007)

Trend-based Document Clustering for Sensitive and Stable Topic Detection. - Yoshihide Sato; Harumi Kawashima; Hidenori Okuda; Masahiro Oku (PACLIC, 2008)

Topigraphy: visualization for large-scale tag clouds. - Ko Fujimura; Shigeru Fujimura 002; Tatsushi Matsubayashi; Takeshi Yamada; Hidenori Okuda (WWW, 2008)

Discovering Association Rules on Experiences from Large-Scale Blog Entries. - Takeshi Kurashima; Ko Fujimura; Hidenori Okuda (ECIR, 2009)