2009

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Reciprocal rank fusion outperforms condorcet and individual rank learning methods
Gordon V. Cormack | Charles L. A. Clarke | Stefan Büttcher
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

2008

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Hybrid index maintenance for contiguous inverted lists
Stefan Büttcher | Charles L. A. Clarke
2008 Volume 11 Issue 3

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Novelty and diversity in information retrieval evaluation
Charles L. A. Clarke | Maheedhar Kolla | Gordon V. Cormack | Olga Vechtomova | Azin Ashkan | Stefan Büttcher | Ian MacKinnon
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

2007

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MultiText Legal Experiments at TREC 2007
Stefan Büttcher | Charles L. A. Clarke | Gordon V. Cormack | Thomas R. Lynam | David R. Cheriton
Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007

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Improving retrieval accuracy by weighting document types with clickthrough data
Peter C. K. Yeung | Charles L. A. Clarke | Stefan Büttcher
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

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Reliable information retrieval evaluation with incomplete and biased judgements
Stefan Büttcher | Charles L. A. Clarke | Peter C. K. Yeung | Ian Soboroff
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

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Index compression is good, especially for random access
Stefan Büttcher | Charles L. A. Clarke
Proceedings of the Sixteenth ACM Conference on Information and Knowledge Management, CIKM 2007, Lisbon, Portugal, November 6-10, 2007

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A Bayesian Approach for Learning Document Type Relevance
Peter C. K. Yeung | Stefan Büttcher | Charles L. A. Clarke | Maheedhar Kolla
Advances in Information Retrieval, 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007, Proceedings

2006

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The TREC 2006 Terabyte Track
Stefan Büttcher | Charles L. A. Clarke | Ian Soboroff
Proceedings of the Fifteenth Text REtrieval Conference, TREC 2006, Gaithersburg, Maryland, USA, November 14-17, 2006

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Index Pruning and Result Reranking: Effects on Ad-Hoc Retrieval and Named Page Finding
Stefan Büttcher | Charles L. A. Clarke | Peter C. K. Yeung
Proceedings of the Fifteenth Text REtrieval Conference, TREC 2006, Gaithersburg, Maryland, USA, November 14-17, 2006

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Term proximity scoring for ad-hoc retrieval on very large text collections
Stefan Büttcher | Charles L. A. Clarke | Brad Lushman
SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006

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Hybrid index maintenance for growing text collections
Stefan Büttcher | Charles L. A. Clarke | Brad Lushman
SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006

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A document-centric approach to static index pruning in text retrieval systems
Stefan Büttcher | Charles L. A. Clarke
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, Arlington, Virginia, USA, November 6-11, 2006

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A Hybrid Approach to Index Maintenance in Dynamic Text Retrieval Systems
Stefan Büttcher | Charles L. A. Clarke
Advances in Information Retrieval, 28th European Conference on IR Research, ECIR 2006, London, UK, April 10-12, 2006, Proceedings

2005

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Efficiency vs. Effectiveness in Terabyte-Scale Information Retrieval
Stefan Büttcher | Charles L. A. Clarke
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005

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Indexing time vs. query time: trade-offs in dynamic information retrieval systems
Stefan Büttcher | Charles L. A. Clarke
Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management, Bremen, Germany, October 31 - November 5, 2005

2004

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Domain-Specific Synonym Expansion and Validation for Biomedical Information Retrieval (MultiText Experiments for TREC 2004)
Stefan Büttcher | Charles L. A. Clarke | Gordon V. Cormack
Proceedings of the Thirteenth Text REtrieval Conference, TREC 2004, Gaithersburg, Maryland, USA, November 16-19, 2004

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