| 2007 | 
| 5 | EE | Peter C. K. Yeung,
Stefan Büttcher,
Charles L. A. Clarke,
Maheedhar Kolla:
A Bayesian Approach for Learning Document Type Relevance.
ECIR 2007: 753-756 | 
| 4 | EE | Stefan Büttcher,
Charles L. A. Clarke,
Peter C. K. Yeung,
Ian Soboroff:
Reliable information retrieval evaluation with incomplete and biased judgements.
SIGIR 2007: 63-70 | 
| 3 | EE | Peter C. K. Yeung,
Charles L. A. Clarke,
Stefan Büttcher:
Improving retrieval accuracy by weighting document types with clickthrough data.
SIGIR 2007: 759-760 | 
| 2 | EE | Peter C. K. Yeung,
Luanne Freund,
Charles L. A. Clarke:
X-Site: a workplace search tool for software engineers.
SIGIR 2007: 900 | 
| 2006 | 
| 1 | EE | Stefan Büttcher,
Charles L. A. Clarke,
Peter C. K. Yeung:
Index Pruning and Result Reranking: Effects on Ad-Hoc Retrieval and Named Page Finding.
TREC 2006 |