■ IEEE Information Theory Society http://www.ieeeits.org/ ■ IEEE Information Theory Society Japan Chapter http://www.lit.ice.uec.ac.jp/it/ ■ The Institute of Electronics, Information and Communication Engineers (IEICE) http://www.ieice.org/eng/ ■ The Institute of Electrical Engineers of Japan (IEEJ) http://www.iee.or.jp/english/ ■ Information Processing Society of Japan (IPSJ) http://www.ipsj.or.jp/english/