“KeyWorld: Extracting Keywords in a Document as a Small World”

Yutaka Matsuo, Yukio Ohsawa, and Mitsuru Ishizuka

Proc. Fourth International Conference on Discovery Science (DS2001), pp. 271-281, 2001

“Discovering Hidden Relation behind a Link”

Yutaka Matsuo, Yukio Ohsawa, and Mitsuru Ishizuka

Proc. Fifth International Conference on Knowledge-Based Intelligent Information Engineering Systems & Allied Technologies (KES2001), pp.1183-1187, 2001

“Optimization of Installation of FACTS Device in Power System Planning by both Tabu Search and Nonlinear Programming Methods”

Yutaka Matsuo and Akihiko Yokoyama

Proc. Intelligent System Application to Power System (ISAP’99), pp.250-254, 1999