Index Pruning and Result Reranking: Effects on Ad-Hoc Retrieval and Named Page Finding. - Stefan Büttcher; Charles L. A. Clarke; Peter C. K. Yeung (TREC, 2006)

A Bayesian Approach for Learning Document Type Relevance. - Peter C. K. Yeung; Stefan Büttcher; Charles L. A. Clarke; Maheedhar Kolla (ECIR, 2007)

Reliable information retrieval evaluation with incomplete and biased judgements. - Stefan Büttcher; Charles L. A. Clarke; Peter C. K. Yeung; Ian Soboroff (SIGIR, 2007)

Improving retrieval accuracy by weighting document types with clickthrough data. - Peter C. K. Yeung; Charles L. A. Clarke; Stefan Büttcher (SIGIR, 2007)

X-Site: a workplace search tool for software engineers. - Peter C. K. Yeung; Luanne Freund; Charles L. A. Clarke (SIGIR, 2007)