Experiments in Query Processing at LEXIS-NEXIS for TREC-7. - Ashwin G. Rao; Timothy Humphrey; Afsar Parhizgar; Christi Wilson; Daniel Pliske (TREC, 1998)

Query processing in TREC-6. - Ashwin G. Rao; X. Allan Lu; Ed Meier; Salahuddin Ahmed; Daniel Pliske (Inf. Process. Manag., 2000)