For those who asked hotel booking before and/or after the symposium,
you will be staying at the following Hotels:

Nov. 4:
"Yaesu Terminal Hotel" near Tokyo Station.
Phone: +81-3-3281-3771
Fax: +81-3-3281-3089
location map

Nov. 8, 9:
"Kizan-kan" near Univ. of Tokyo
Phohe: +81-3-3812-1211
Fax: +81-3-3816-1218

During the symposium:
"Okura Akademia Park Hotel"
Phone: +81-438-52-0111
Fax: +81-438-20-5210
http://www.pref.chiba.jp/Business/Kazusa/Center/hotel-e.html