WIDIT in TREC 2005 HARD, Robust, and SPAM Tracks. - Kiduk Yang; Ning Yu 005; Nicholas George; Aaron Loehrlein; David McCaulay; Hui Zhang 069; Shahrier Akram; Jue Mei; Ivan Record (TREC, 2005)

WIDIT: Integrated Approach to HARD Topic Search. - Kiduk Yang; Ning Yu 005; Hui Zhang 069; Shahrier Akram; Ivan Record (AIRS, 2006)