Hiroshi MO Research Associate Software Research Division National Institute of Informatics (NII) National Center of Science 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, JAPAN Tel: +81-3-4212-2582(direct) Fax: +81-3-3556-1916(secretariat) E-mail:mo@nii.ac.jp |