Dr Sung Hyun Myaeng (National Chungnam University, Korea)
Mr Yasushi Ogawa (Ricoh, Japan)
Prof Stephan E. Robertson (Microsoft, UK)
Mr Tsuyoshi Kitani (NTT Data, Japan)
Dr Ellen Voorhees (NIST, USA)
Dr Ross Wilkins (CSIRO and RMIT, Australia)
We would like to thank again Drs Ellen Voorhees and Donna Harman, NIST, USA,
for permitting the use of the TREC's evaluation programme and scripts to check
search result files.