An Evaluation of Automatic Query Expansion in an Online Library Catalogue. - Micheline Hancock-Beaulieu; Stephen Walker (J. Documentation, 1992)

Threshold setting in adaptive filtering. - Stephen E. Robertson; Stephen Walker (J. Documentation, 2000)

Flexible Pseudo-Relevance Feedback for NTCIR-2. - Tetsuya Sakai; Stephen E. Robertson; Stephen Walker (NTCIR, 2001)

Nonparametric learning from Bayesian models with randomized objective functions. - Simon Lyddon; Stephen Walker; Chris C. Holmes (NeurIPS, 2018)

Augmented simulation methods for discrete stochastic optimization with recourse. - Tahir Ekin; Stephen Walker; Paul Damien (Ann. Oper. Res., 2023)