Masashi Umezawa

According to our database, Masashi Umezawa authored at least 6 papers between 2002 and 2017.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2017

Ontology-Based Backward Learning Support System.

Masao Okabe, Masashi Umezawa, Takahira Yamaguchi

Proceedings of the Tomorrow's Learning: Involving Everyone. Learning with and about Technologies and Computing, 2017

2012

The replacement principle for the provision of multiple public goods on tree networks.

Masashi Umezawa

Soc. Choice Welf., 2012

2009

Coalitionally strategy-proof social choice correspondences and the Pareto rule.

Masashi Umezawa

Soc. Choice Welf., 2009

2005

A cost allocation problem arising in hub-spoke network systems.

Nobuo Matsubayashi, Masashi Umezawa, Yasushi Masuda, Hisakazu Nishino

Eur. J. Oper. Res., 2005

2003

NetMorph - an intuitive mobile object system.

Masashi Umezawa, Kazuhiro Abe, Satoshi Nishihara, Tetsuya Kurihara

Proceedings of the 2003 Conference on Creating, 2003

2002

Merger effect of two firms under network equilibrium.

Nobuo Matsubayashi, Masashi Umezawa, Yasushi Masuda, Hisakazu Nishino

Eur. J. Oper. Res., 2002