Yasunori Yamamoto (firstname.lastname@example.org)
Yoshihiro Ohta (email@example.com)
Ikuo Uchiyama (firstname.lastname@example.org)
Toshihisa Takagi (email@example.com)
Human Genome Center
Institute of Medical Science, The University of Tokyo,
4-6-1 Shirokanedai, Minatoku, Tokyo 108 Japan
In information extraction (IE) systems a keyword dictionary which is a kind of knowledge base on domain specific information is very important. We are developing technologies that construct a keyword dictionary for IE.