Stephen Walker

According to our database, Stephen Walker authored at least 6 papers between 1992 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

Fast variable selection under ℓ ₀ regularization in high-dimensions.

Yuchen Xiao, Stephen Walker

Stat. Comput., June, 2026

2023

Augmented simulation methods for discrete stochastic optimization with recourse.

Tahir Ekin, Stephen Walker, Paul Damien

Ann. Oper. Res., 2023

2018

Nonparametric learning from Bayesian models with randomized objective functions.

Simon Lyddon, Stephen Walker, Chris C. Holmes

Proceedings of the Advances in Neural Information Processing Systems 31: Annual Conference on Neural Information Processing Systems 2018, 2018

2001

Flexible Pseudo-Relevance Feedback for NTCIR-2.

Tetsuya Sakai, Stephen E. Robertson, Stephen Walker

Proceedings of the Third Second Workshop Meeting on Evaluation of Chinese & Japanese Text Retrieval and Text Summarization, 2001

2000

Threshold setting in adaptive filtering.

Stephen E. Robertson, Stephen Walker

J. Documentation, 2000

1992

An Evaluation of Automatic Query Expansion in an Online Library Catalogue.

Micheline Hancock-Beaulieu, Stephen Walker

J. Documentation, 1992