Akihiro Inokuchi  IBM Research Division, Tokyo Research Laboratory, 1623-14, Shimotsuruma, Yamato, Kanagawa, Japan (inokuchijp.ibm.com). Dr. Inokuchi joined the IBM Tokyo Research Laboratory in 2000 after receiving an M.S. degree in communication engineering from Osaka University. He received a Ph.D. degree in communication engineering from Osaka University in 2004. Dr. Inokuchi's research interests include data mining, machine learning, text mining, OLAP, data warehouse, and medical informatics.

Koichi Takeda  IBM Research Division, Tokyo Research Laboratory, 1623-14, Shimotsuruma, Yamato, Kanagawa, Japan (takedasujp.ibm.com). Mr. Takeda joined the IBM Tokyo Research Laboratory in 1983 after receiving an M.E. degree in information science from Kyoto University. Mr. Takeda's research interests include text analytics, information retrieval, and medical informatics.

Noriko Inaoka  IBM Business Consulting Services, 2-4-1, Marunouchi, Chiyoda-ku, Tokyo, Japan (inaokajp.ibm.com). Dr. Inaoka is an associate partner of Healthcare Industry, IBM Business Consulting Services. She joined the IBM Tokyo Research Laboratory after receiving a Ph.D. degree in health sciences from the University of Tokyo in 1983. She has worked in the areas of knowledge engineering and medical image recognition. Dr. Inaoka is currently focusing on health-care business performance transformation based on technology.

Fumihiko Wakao  National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan (fwakaoncc.go.jp). Dr. Wakao is head of Diagnostic Radiology. As a vice-chairman of the National Cancer Center (NCC) Information Committee since 1996, Dr. Wakao has played a central role in the Information System Project of the new NCC facility, building the Radiological Information System and Image Reference System. He graduated from the Yokohama City University School of Medicine in 1986, and was a resident in the Radiological Diagnosis Division at the NCC. Since 1993, Dr. Wakao has constructed an image database and has worked on three-dimensional image processing, virtual reality, and telemedicine as a member of the Total Support System for Cancer Diagnosis and Therapy integrated team.