Charles L. A. Clarke


1995

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Shortest Substring Ranking (MultiText Experiments for TREC-4)
Charles L. A. Clarke | Gordon V. Cormack | Forbes J. Burkowski
Proceedings of The Fourth Text REtrieval Conference, TREC 1995, Gaithersburg, Maryland, USA, November 1-3, 1995

1996

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Interactive Substring Retrieval (MultiText Experiments for TREC-5)
Charles L. A. Clarke | Gordon V. Cormack
Proceedings of The Fifth Text REtrieval Conference, TREC 1996, Gaithersburg, Maryland, USA, November 20-22, 1996

1997

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Passage-Based Refinement (MultiText Experiements for TREC-6)
Gordon V. Cormack | Charles L. A. Clarke | Christopher R. Palmer | Samuel S. L. To
Proceedings of The Sixth Text REtrieval Conference, TREC 1997, Gaithersburg, Maryland, USA, November 19-21, 1997

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Relevance Ranking for one to Three Term Queries
Charles L. A. Clarke | Gordon V. Cormack | Elizabeth A. Tudhope
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 1997, 5th International Conference, McGill University, Montreal, Canada, June 25-27, 1997. Proceedings

1998

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Deriving Very Short Queries for High Precision and Recall (MultiText Experiments for TREC-7)
Gordon V. Cormack | Christopher R. Palmer | Michael Van Biesbrouck | Charles L. A. Clarke
Proceedings of The Seventh Text REtrieval Conference, TREC 1998, Gaithersburg, Maryland, USA, November 9-11, 1998

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Efficient Construction of Large Test Collections
Gordon V. Cormack | Christopher R. Palmer | Charles L. A. Clarke
SIGIR '98: Proceedings of the 21st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 24-28 1998, Melbourne, Australia

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An Overview of MultiText
Charles L. A. Clarke | Gordon V. Cormack | Christopher R. Palmer
1998 Volume 32 Issue 2

1999

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Fast Automatic Passage Ranking (MultiText Experiments for TREC-8)
Gordon V. Cormack | Charles L. A. Clarke | D. I. E. Kisman | Christopher R. Palmer
Proceedings of The Eighth Text REtrieval Conference, TREC 1999, Gaithersburg, Maryland, USA, November 17-19, 1999

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Searching Program Source Code with a Structured Text Retrieval System (poster abstract)
Charles L. A. Clarke | Anthony Cox | Susan Elliott Sim
SIGIR '99: Proceedings of the 22nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 15-19, 1999, Berkeley, CA, USA

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The MultiText Retrieval System (demonstration abstract)
Gordon V. Cormack | Charles L. A. Clarke | Christopher R. Palmer | Robert C. Good
SIGIR '99: Proceedings of the 22nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 15-19, 1999, Berkeley, CA, USA

2000

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Question Answering by Passage Selection (MultiText Experiments for TREC-9)
Charles L. A. Clarke | Gordon V. Cormack | D. I. E. Kisman | Thomas R. Lynam
Proceedings of The Ninth Text REtrieval Conference, TREC 2000, Gaithersburg, Maryland, USA, November 13-16, 2000

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Shortest-substring retrieval and ranking
Charles L. A. Clarke | Gordon V. Cormack
2000 Volume 18 Issue 1

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Passage-based query refinement (MultiText experiments for TREC-6)
Gordon V. Cormack | Charles L. A. Clarke | Christopher R. Palmer | Samuel S. L. To
2000 Volume 36 Issue 1

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Relevance ranking for one to three term queries
Charles L. A. Clarke | Gordon V. Cormack | Elizabeth A. Tudhope
2000 Volume 36 Issue 2

2001

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Web Reinforced Question Answering (MultiTest Experiments for TREC 2001)
Charles L. A. Clarke | Gordon V. Cormack | Thomas R. Lynam | C. M. Li | G. L. McLearn
Proceedings of The Tenth Text REtrieval Conference, TREC 2001, Gaithersburg, Maryland, USA, November 13-16, 2001

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Exploiting Redundancy in Question Answering
Charles L. A. Clarke | Gordon V. Cormack | Thomas R. Lynam
SIGIR 2001: Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, September 9-13, 2001, New Orleans, Louisiana, USA

2002

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Statistical Selection of Exact Answers (MultiText Experiments for TREC 2002)
Charles L. A. Clarke | Gordon V. Cormack | Graeme Kemkes | M. Laszlo | Thomas R. Lynam | Egidio L. Terra | Philip L. Tilker
Proceedings of The Eleventh Text REtrieval Conference, TREC 2002, Gaithersburg, Maryland, USA, November 19-22, 2002

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The impact of corpus size on question answering performance
Charles L. A. Clarke | Gordon V. Cormack | M. Laszlo | Thomas R. Lynam | Egidio L. Terra
SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 11-15, 2002, Tampere, Finland

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Topic-oriented collaborative crawling
Chiasen Chung | Charles L. A. Clarke
Proceedings of the 2002 ACM CIKM International Conference on Information and Knowledge Management, McLean, VA, USA, November 4-9, 2002

2003

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Task-Specific Query Expansion (MultiText Experiments for TREC 2003)
David L. Yeung | Charles L. A. Clarke | Gordon V. Cormack | Thomas R. Lynam | Egidio L. Terra
Proceedings of The Twelfth Text REtrieval Conference, TREC 2003, Gaithersburg, Maryland, USA, November 18-21, 2003

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SIGIR 2003: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 28 - August 1, 2003, Toronto, Canada

SIGIR 2003: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 28 - August 1, 2003, Toronto, Canada

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Passage retrieval vs. document retrieval for factoid question answering
Charles L. A. Clarke | Egidio L. Terra
SIGIR 2003: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 28 - August 1, 2003, Toronto, Canada

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A reliable storage management layer for distributed information retrieval systems
Charles L. A. Clarke | Philip L. Tilker | Allen Quoc-Luan Tran | Kevin Harris | Antonio S. Cheng
Proceedings of the 2003 ACM CIKM International Conference on Information and Knowledge Management, New Orleans, Louisiana, USA, November 2-8, 2003

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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Overview of the TREC 2004 Terabyte Track
Charles L. A. Clarke | Nick Craswell | Ian Soboroff
Proceedings of the Thirteenth Text REtrieval Conference, TREC 2004, Gaithersburg, Maryland, USA, November 16-19, 2004

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The effect of document retrieval quality on factoid question answering performance
Kevyn Collins-Thompson | Jamie Callan | Egidio L. Terra | Charles L. A. Clarke
SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Sheffield, UK, July 25-29, 2004

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Scoring missing terms in information retrieval tasks
Egidio Terra | Charles L. A. Clarke
Proceedings of the 2004 ACM CIKM International Conference on Information and Knowledge Management, Washington, DC, USA, November 8-13, 2004

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A multi-system analysis of document and term selection for blind feedback
Thomas R. Lynam | Chris Buckley | Charles L. A. Clarke | Gordon V. Cormack
Proceedings of the 2004 ACM CIKM International Conference on Information and Knowledge Management, Washington, DC, USA, November 8-13, 2004

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Approximating the top-m passages in a parallel question answering system
Charles L. A. Clarke | Egidio L. Terra
Proceedings of the 2004 ACM CIKM International Conference on Information and Knowledge Management, Washington, DC, USA, November 8-13, 2004

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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The TREC 2005 Terabyte Track
Charles L. A. Clarke | Falk Scholer | Ian Soboroff
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005

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Controlling overlap in content-oriented XML retrieval
Charles L. A. Clarke
SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Salvador, Brazil, August 15-19, 2005

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Modeling task-genre relationships for IR in the workplace
Luanne Freund | Elaine G. Toms | Charles L. A. Clarke
SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Salvador, Brazil, August 15-19, 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

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Waterloo Experiments for the CLEF05 SDR Track
Charles L. A. Clarke
Working Notes for CLEF 2005 Workshop co-located with the 9th European Conference on Digital Libraries (ECDL 2005), Wien, Austria, September 21-22, 2005

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The TREC terabyte retrieval track
Charles L. A. Clarke | Nick Craswell | Ian Soboroff
2005 Volume 39 Issue 1

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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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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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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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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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

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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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Towards genre classification for IR in the workplace
Luanne Freund | Charles L. A. Clarke | Elaine G. Toms
Proceedings of the 1st International Conference on Information Interaction in Context, IIiX 2006, Copenhagen, Denmark, October 18-20, 2006

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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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

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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The influence of caption features on clickthrough patterns in web search
Charles L. A. Clarke | Eugene Agichtein | Susan T. Dumais | Ryen W. White
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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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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Comparing query logs and pseudo-relevance feedbackfor web-search query refinement
Ryen W. White | Charles L. A. Clarke | Silviu Cucerzan
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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X-Site: a workplace search tool for software engineers
Peter C. K. Yeung | Luanne Freund | Charles L. A. Clarke
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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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

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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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Meeting of the MINDS: an information retrieval research agenda
Jamie Callan | James Allan | Charles L. A. Clarke | Susan T. Dumais | David A. Evans | Mark Sanderson | ChengXiang Zhai
2007 Volume 41 Issue 2

2008

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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

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

2009

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Experiments with ClueWeb09: Relevance Feedback and Web Tracks
Mark D. Smucker | Charles L. A. Clarke | Gordon V. Cormack
Proceedings of The Eighteenth Text REtrieval Conference, TREC 2009, Gaithersburg, Maryland, USA, November 17-20, 2009

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Overview of the TREC 2009 Web Track
Charles L. A. Clarke | Nick Craswell | Ian Soboroff
Proceedings of The Eighteenth Text REtrieval Conference, TREC 2009, Gaithersburg, Maryland, USA, November 17-20, 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

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Term-based commercial intent analysis
Azin Ashkan | Charles L. A. Clarke
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

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Using dynamic markov compression to detect vandalism in the wikipedia
Kelly Y. Itakura | Charles L. A. Clarke
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

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An Effectiveness Measure for Ambiguous and Underspecified Queries
Charles L. A. Clarke | Maheedhar Kolla | Olga Vechtomova
Advances in Information Retrieval Theory, Second International Conference on the Theory of Information Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009, Proceedings

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Classifying and Characterizing Query Intent
Azin Ashkan | Charles L. A. Clarke | Eugene Agichtein | Qi Guo
Advances in Information Retrieval, 31th European Conference on IR Research, ECIR 2009, Toulouse, France, April 6-9, 2009. Proceedings

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Characterizing commercial intent
Azin Ashkan | Charles L. A. Clarke
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

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Clustering web queries
John S. Whissell | Charles L. A. Clarke | Azin Ashkan
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

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Swapping documents and terms
Charles L. A. Clarke | Gordon V. Cormack | Thomas R. Lynam | Chris Buckley | Donna Harman
2009 Volume 12 Issue 6

2010

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Overview of the TREC 2010 Web Track
Charles L. A. Clarke | Nick Craswell | Ian Soboroff | Gordon V. Cormack
Proceedings of The Nineteenth Text REtrieval Conference, TREC 2010, Gaithersburg, Maryland, USA, November 16-19, 2010

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University of Waterloo at TREC 2010: Legal Interactive
Mark D. Smucker | Charles L. A. Clarke | Gordon V. Cormack | Olga Vechtomova
Proceedings of The Nineteenth Text REtrieval Conference, TREC 2010, Gaithersburg, Maryland, USA, November 16-19, 2010

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A framework for BM25F-based XML retrieval
Kelly Y. Itakura | Charles L. A. Clarke
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

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Towards a collection-based results diversification
John A. Akinyemi | Charles L. A. Clarke | Maheedhar Kolla
Recherche d'Information Assistée par Ordinateur, RIAO 2010: Adaptivity, Personalization and Fusion of Heterogeneous Information, 9th International Conference, Bibliotheque Nationale de France, Paris, France, April 28-30, 2010, Proceedings

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ClueWeb09 and TREC Diversity
Charles L. A. Clarke
Proceedings of the 8th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-8, National Center of Sciences, Tokyo, Japan, June 15-18, 2010

2011

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On the informativeness of cascade and intent-aware effectiveness measures
Azin Ashkan | Charles L. A. Clarke
Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011

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A comparative analysis of cascade measures for novelty and diversity
Charles L. A. Clarke | Nick Craswell | Ian Soboroff | Azin Ashkan
Proceedings of the Forth International Conference on Web Search and Web Data Mining, WSDM 2011, Hong Kong, China, February 9-12, 2011

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Overview of the TREC 2011 Web Track
Charles L. A. Clarke | Nick Craswell | Ian Soboroff | Ellen M. Voorhees
Proceedings of The Twentieth Text REtrieval Conference, TREC 2011, Gaithersburg, Maryland, USA, November 15-18, 2011

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Do Subtopic Judgments Reflect Diversity?
John A. Akinyemi | Charles L. A. Clarke
Advances in Information Retrieval Theory - Third International Conference, ICTIR 2011, Bertinoro, Italy, September 12-14, 2011. Proceedings

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Topical and Structural Linkage in Wikipedia
Kelly Y. Itakura | Charles L. A. Clarke | Shlomo Geva | Andrew Trotman | Wei Chi Huang
Advances in Information Retrieval - 33rd European Conference on IR Research, ECIR 2011, Dublin, Ireland, April 18-21, 2011. Proceedings

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UWaterloo at NTCIR-9: Intent discovery with anchor text
John A. Akinyemi | Charles L. A. Clarke
Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-9, National Center of Sciences, Tokyo, Japan, December 6-9, 2011

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Report on the SIGIR workshop on "entertain me": supporting complex search tasks
Nicholas J. Belkin | Charles L. A. Clarke | Ning Gao | Jaap Kamps | Jussi Karlgren
2011 Volume 45 Issue 2

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The 1st international workshop on diversity in document retrieval
Craig Macdonald | Charles L. A. Clarke | Jun Wang
2011 Volume 45 Issue 2

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Efficient and effective spam filtering and re-ranking for large web datasets
Gordon V. Cormack | Mark D. Smucker | Charles L. A. Clarke
2011 Volume 14 Issue 5

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Improving document clustering using Okapi BM25 feature weighting
John S. Whissell | Charles L. A. Clarke
2011 Volume 14 Issue 5

2012

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2nd international workshop on diversity in document retrieval (DDR 2012)
Craig Macdonald | Jun Wang | Charles L. A. Clarke
Proceedings of the Fifth International Conference on Web Search and Web Data Mining, WSDM 2012, Seattle, WA, USA, February 8-12, 2012

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Frequent Itemset Mining for Query Expansion in Microblog adhoc Search
Younos Aboulnaga | Charles L. A. Clarke
Proceedings of The Twenty-First Text REtrieval Conference, TREC 2012, Gaithersburg, Maryland, USA, November 6-9, 2012

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Overview of the TREC 2012 Contextual Suggestion Track
Adriel Dean-Hall | Charles L. A. Clarke | Jaap Kamps | Paul Thomas | Ellen M. Voorhees
Proceedings of The Twenty-First Text REtrieval Conference, TREC 2012, Gaithersburg, Maryland, USA, November 6-9, 2012

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Overview of the TREC 2012 Web Track
Charles L. A. Clarke | Nick Craswell | Ellen M. Voorhees
Proceedings of The Twenty-First Text REtrieval Conference, TREC 2012, Gaithersburg, Maryland, USA, November 6-9, 2012

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Time-based calibration of effectiveness measures
Mark D. Smucker | Charles L. A. Clarke
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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Lightweight contrastive summarization for news comment mining
Gobaan Raveendran | Charles L. A. Clarke
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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Modeling browsing behavior for click analysis in sponsored search
Azin Ashkan | Charles L. A. Clarke
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Stochastic simulation of time-biased gain
Mark D. Smucker | Charles L. A. Clarke
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Proceedings of the SIGIR 2012 Workshop on Open Source Information Retrieval, OSIR@SIGIR 2012, Portland, Oregon, USA, 16th August 2012

Proceedings of the SIGIR 2012 Workshop on Open Source Information Retrieval, OSIR@SIGIR 2012, Portland, Oregon, USA, 16th August 2012

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Open source information petrieval: a report on the SIGIR 2012 workshop
Andrew Trotman | Charles L. A. Clarke | Iadh Ounis | J. Shane Culpepper | Marc-Allen Cartright | Shlomo Geva
2012 Volume 46 Issue 2

2013

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Search and exploration of X-Rated information (SEXI 2013)
Vanessa Murdock | Charles L. A. Clarke | Jaap Kamps | Jussi Karlgren
Sixth ACM International Conference on Web Search and Data Mining, WSDM 2013, Rome, Italy, February 4-8, 2013

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Overview of the TREC 2013 Contextual Suggestion Track
Adriel Dean-Hall | Charles L. A. Clarke | Nicole Simone | Jaap Kamps | Paul Thomas | Ellen M. Voorhees
Proceedings of The Twenty-Second Text REtrieval Conference, TREC 2013, Gaithersburg, Maryland, USA, November 19-22, 2013

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Faster and smaller inverted indices with treaps
Roberto Konow | Gonzalo Navarro | Charles L. A. Clarke | Alejandro López-Ortiz
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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The impact of intent selection on diversified search evaluation
Tetsuya Sakai | Zhicheng Dou | Charles L. A. Clarke
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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SIGIR 2013 workshop on modeling user behavior for information retrieval evaluation
Charles L. A. Clarke | Luanne Freund | Mark D. Smucker | Emine Yilmaz
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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Time-Biased Gain
Charles L. A. Clarke
Proceedings of the 10th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR-10, National Center of Sciences, Tokyo, Japan, June 18-21, 2013

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Effective measures for inter-document similarity
John S. Whissell | Charles L. A. Clarke
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

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Evaluating Contextual Suggestion
Adriel Dean-Hall | Charles L. A. Clarke | Jaap Kamps | Paul Thomas
Proceedings of the 5th International Workshop on Evaluating Information Access, EVIA 2013, National Center of Sciences, Tokyo, Japan, June 18, 2013

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Nugget-Based Computation of Graded Relevance
Charles L. A. Clarke
Proceedings of the 5th International Workshop on Evaluating Information Access, EVIA 2013, National Center of Sciences, Tokyo, Japan, June 18, 2013

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Report on the SIGIR 2013 workshop on modeling user behavior for information retrieval evaluation (MUBE 2013)
Charles L. A. Clarke | Luanne Freund | Mark D. Smucker | Emine Yilmaz
2013 Volume 47 Issue 2

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Report on the workshop on search and exploration of x-rated information (SEXI 2013)
Vanessa Murdock | Charles L. A. Clarke | Jaap Kamps | Jussi Karlgren
2013 Volume 47 Issue 1

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Increasing evaluation sensitivity to diversity
Peter B. Golbus | Javed A. Aslam | Charles L. A. Clarke
2013 Volume 16 Issue 4

2014

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Overview of the TREC 2014 Contextual Suggestion Track
Adriel Dean-Hall | Charles L. A. Clarke | Jaap Kamps | Paul Thomas | Ellen M. Voorhees
Proceedings of The Twenty-Third Text REtrieval Conference, TREC 2014, Gaithersburg, Maryland, USA, November 19-21, 2014

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University of Waterloo at TREC 2014 Contextual Suggestion: Experiments with suggestion clustering
Luchen Tan | Adriel Dean-Hall | Pragnya Addala | Charles L. A. Clarke
Proceedings of The Twenty-Third Text REtrieval Conference, TREC 2014, Gaithersburg, Maryland, USA, November 19-21, 2014

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The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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Information Access in Smart Cities (i-ASC)
M-Dyaa Albakour | Craig Macdonald | Iadh Ounis | Charles L. A. Clarke | Veli Bicer
Advances in Information Retrieval - 36th European Conference on IR Research, ECIR 2014, Amsterdam, The Netherlands, April 13-16, 2014. Proceedings

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Succinct Queries for Linking and Tracking News in Social Media
Luchen Tan | Charles L. A. Clarke
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

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Time well spent
Charles L. A. Clarke | Mark D. Smucker
Fifth Information Interaction in Context Symposium, IIiX '14, Regensburg, Germany, August 26-29, 2014

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Assessing Contextual Suggestion
Adriel Dean-Hall | Charles L. A. Clarke
Proceedings of the Sixth International Workshop on Evaluating Information Access, EVIA 2014, National Center of Sciences, Tokyo, Japan, December 9, 2014

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Location- and Query-Aware Modeling of Browsing and Click Behavior in Sponsored Search
Azin Ashkan | Charles L. A. Clarke
2014 Volume 5 Issue 4

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Report on the 1st International Workshop on Information Access in Smart Cities (i-ASC 2014)
M-Dyaa Albakour | Craig Macdonald | Iadh Ounis | Charles L. A. Clarke | Veli Bicer
2014 Volume 48 Issue 2

2015

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Overview of the TREC 2015 Contextual Suggestion Track
Adriel Dean-Hall | Charles L. A. Clarke | Jaap Kamps | Julia Kiseleva | Ellen M. Voorhees
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

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TREC 2015 Total Recall Track Overview
Adam Roegiest | Gordon V. Cormack | Charles L. A. Clarke | Maura R. Grossman
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

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University of Waterloo at TREC 2015 Microblog Track
Luchen Tan | Adam Roegiest | Charles L. A. Clarke
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

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WaterlooClarke: TREC 2015 Total Recall Track
Haotian Zhang | Wu Lin | Yipeng Wang | Charles L. A. Clarke | Mark D. Smucker
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

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WaterlooClarke: TREC 2015 Contextual Suggestion Track
Hella Hoffmann | Pragnya Addala | Charles L. A. Clarke
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

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WaterlooClarke: TREC 2015 Clinical Decision Support Track
Amira Ghenai | Eldar Khalilov | Pavel Valov | Charles L. A. Clarke
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

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WaterlooClarke: TREC 2015 LiveQA Track
Alexandra Vtyurina | Ankita Dey | Bahareh Sarrafzadeh | Charles L. A. Clarke
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

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WaterlooClarke: TREC 2015 Temporal Summarization Track
Ahsan Raza | Devin M. Rotondo | Charles L. A. Clarke
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

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WaterlooClarke: TREC 2015 Microblog Track
Mustafa Abualsaud | Milad Ghaznavi | Daniel Recoskie | Charles L. A. Clarke
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

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Impact of Surrogate Assessments on High-Recall Retrieval
Adam Roegiest | Gordon V. Cormack | Charles L. A. Clarke | Maura R. Grossman
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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Evaluating Streams of Evolving News Events
Gaurav Baruah | Mark D. Smucker | Charles L. A. Clarke
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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On the Reusability of Open Test Collections
Seyyed Hadi Hashemi | Charles L. A. Clarke | Adriel Dean-Hall | Jaap Kamps | Julia Kiseleva
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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IR Evaluation: Modeling User Behavior for Measuring Effectiveness
Charles L. A. Clarke | Mark D. Smucker | Emine Yilmaz
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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Web Question Answering: Beyond Factoids: SIGIR 2015 Workshop
Eugene Agichtein | David Carmel | Charles L. A. Clarke | Praveen K. Paritosh | Dan Pelleg | Idan Szpektor
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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The Power of Contextual Suggestion
Adriel Dean-Hall | Charles L. A. Clarke
Advances in Information Retrieval - 37th European Conference on IR Research, ECIR 2015, Vienna, Austria, March 29 - April 2, 2015. Proceedings

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Online Evaluation of Point-Of-Interest Recommendation Systems
Adriel Dean-Hall | Charles L. A. Clarke | Jaap Kamps | Julia Kiseleva
Proceedings of the First International Workshop on Supporting Complex Search Tasks co-located with the 37th European Conference on Information Retrieval (ECIR 2015), Vienna, Austria, March 29, 2015

2016

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Second Workshop on Search and Exploration of X-Rated Information (SEXI'16): WSDM Workshop Summary
Vanessa Murdock | Charles L. A. Clarke | Jaap Kamps | Jussi Karlgren
Proceedings of the Ninth ACM International Conference on Web Search and Data Mining, San Francisco, CA, USA, February 22-25, 2016

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Overview of the TREC 2016 Contextual Suggestion Track
Seyyed Hadi Hashemi | Jaap Kamps | Julia Kiseleva | Charles L. A. Clarke | Ellen M. Voorhees
Proceedings of The Twenty-Fifth Text REtrieval Conference, TREC 2016, Gaithersburg, Maryland, USA, November 15-18, 2016

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An Exploration of Evaluation Metrics for Mobile Push Notifications
Luchen Tan | Adam Roegiest | Jimmy Lin | Charles L. A. Clarke
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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Simple Dynamic Emission Strategies for Microblog Filtering
Luchen Tan | Adam Roegiest | Charles L. A. Clarke | Jimmy Lin
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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A Platform for Streaming Push Notifications to Mobile Assessors
Adam Roegiest | Luchen Tan | Jimmy Lin | Charles L. A. Clarke
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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Privacy-Preserving IR 2016: Differential Privacy, Search, and Social Media
Grace Hui Yang | Ian Soboroff | Li Xiong | Charles L. A. Clarke | Simson L. Garfinkel
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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SIGIR 2016 Workshop WebQA II: Web Question Answering Beyond Factoids
Alessandro Moschitti | Lluís Màrquez | Preslav Nakov | Eugene Agichtein | Charles L. A. Clarke | Idan Szpektor
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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Total Recall: Blue Sky on Mars
Charles L. A. Clarke | Gordon V. Cormack | Jimmy Lin | Adam Roegiest
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, ICTIR 2016, Newark, DE, USA, September 12- 6, 2016

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Modeling Optimal Switching Behavior
Mark D. Smucker | Charles L. A. Clarke
Proceedings of the 2016 ACM Conference on Human Information Interaction and Retrieval, CHIIR 2016, Carrboro, North Carolina, USA, March 13-17, 2016

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Dynamic Cutoff Prediction in Multi-Stage Retrieval Systems
J. Shane Culpepper | Charles L. A. Clarke | Jimmy Lin
Proceedings of the 21st Australasian Document Computing Symposium, ADCS 2016, Caulfield, VIC, Australia, December 5-7, 2016

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Proceedings of the Seventh International Workshop on Evaluating Information Access, EVIA 2016, a Satellite Workshop of the NTCIR-12 Conference, National Center of Sciences, Tokyo, Japan, june 7, 2016

Proceedings of the Seventh International Workshop on Evaluating Information Access, EVIA 2016, a Satellite Workshop of the NTCIR-12 Conference, National Center of Sciences, Tokyo, Japan, june 7, 2016

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An Easter Egg Hunting Approach to Test Collection Building in Dynamic Domains
Seyyed Hadi Hashemi | Charles L. A. Clarke | Adriel Dean-Hall | Jaap Kamps | Julia Kiseleva
Proceedings of the Seventh International Workshop on Evaluating Information Access, EVIA 2016, a Satellite Workshop of the NTCIR-12 Conference, National Center of Sciences, Tokyo, Japan, june 7, 2016

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Preface
Emine Yilmaz | Charles L. A. Clarke
Proceedings of the Seventh International Workshop on Evaluating Information Access, EVIA 2016, a Satellite Workshop of the NTCIR-12 Conference, National Center of Sciences, Tokyo, Japan, june 7, 2016

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EVIA 2016: The Seventh International Workshop on Evaluating Information Access
Charles L. A. Clarke | Emine Yilmaz
2016 Volume 50 Issue 2

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Assessing efficiency-effectiveness tradeoffs in multi-stage retrieval systems without using relevance judgments
Charles L. A. Clarke | J. Shane Culpepper | Alistair Moffat
2016 Volume 19 Issue 4

2017

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Ten Blue Links on Mars
Charles L. A. Clarke | Gordon V. Cormack | Jimmy Lin | Adam Roegiest
Proceedings of the 26th International Conference on World Wide Web, WWW 2017, Perth, Australia, April 3-7, 2017

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The Positive and Negative Influence of Search Results on People's Decisions about the Efficacy of Medical Treatments
Frances A. Pogacar | Amira Ghenai | Mark D. Smucker | Charles L. A. Clarke
Proceedings of the ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2017, Amsterdam, The Netherlands, October 1-4, 2017

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Inverted Treaps
Roberto Konow | Gonzalo Navarro | Charles L. A. Clarke | Alejandro López-Ortiz
2017 Volume 35 Issue 3

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Overview of Special Issue
James Allan | Nicholas J. Belkin | Paul N. Bennett | Jamie Callan | Charles L. A. Clarke | Fernando Diaz | Susan T. Dumais | Nicola Ferro | Donna Harman | Djoerd Hiemstra | Ian Ruthven | Tetsuya Sakai | Mark D. Smucker | Justin Zobel
2017 Volume 51 Issue 2

2018

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Query Driven Algorithm Selection in Early Stage Retrieval
Joel M. Mackenzie | J. Shane Culpepper | Roi Blanco | Matt Crane | Charles L. A. Clarke | Jimmy Lin
Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining, WSDM 2018, Marina Del Rey, CA, USA, February 5-9, 2018

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Report on NTCIR-13: The Thirteenth Round of NII Testbeds and Community for Information Access Research
Yiqun Liu | Makoto P. Kato | Charles L. A. Clarke | Noriko Kando | Tetsuya Sakai
2018 Volume 52 Issue 1

2019

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WaterlooClarke at the TREC 2019 Conversational Assistant Track
Charles L. A. Clarke
Proceedings of the Twenty-Eighth Text REtrieval Conference, TREC 2019, Gaithersburg, Maryland, USA, November 13-15, 2019

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NII Testbeds and Community for Information Access Research - 14th International Conference, NTCIR 2019, Tokyo, Japan, June 10-13, 2019, Revised Selected Papers

NII Testbeds and Community for Information Access Research - 14th International Conference, NTCIR 2019, Tokyo, Japan, June 10-13, 2019, Revised Selected Papers

2020

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Overview of the TREC 2020 Health Misinformation Track
Charles L. A. Clarke | Saira Rizvi | Mark D. Smucker | Maria Maistro | Guido Zuccon
Proceedings of the Twenty-Ninth Text REtrieval Conference, TREC 2020, Virtual Event [Gaithersburg, Maryland, USA], November 16-20, 2020

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WaterlooClarke at the Trec 2020 Conversational Assistant Track
Negar Arabzadeh | Charles L. A. Clarke
Proceedings of the Twenty-Ninth Text REtrieval Conference, TREC 2020, Virtual Event [Gaithersburg, Maryland, USA], November 16-20, 2020

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A Lightweight Environment for Learning Experimental IR Research Practices
Zeynep Akkalyoncu Yilmaz | Charles L. A. Clarke | Jimmy Lin
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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A Mixed-Method Analysis of Text and Audio Search Interfaces with Varying Task Complexity
Alexandra Vtyurina | Charles L. A. Clarke | Edith Law | Johanne R. Trippas | Horatiu S. Bota
ICTIR '20: The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Norway, September 14-17, 2020

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Offline Evaluation without Gain
Charles L. A. Clarke | Alexandra Vtyurina | Mark D. Smucker
ICTIR '20: The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Norway, September 14-17, 2020

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Offline Evaluation by Maximum Similarity to an Ideal Ranking
Charles L. A. Clarke | Mark D. Smucker | Alexandra Vtyurina
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

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A Think-Aloud Study to Understand Factors Affecting Online Health Search
Amira Ghenai | Mark D. Smucker | Charles L. A. Clarke
CHIIR '20: Conference on Human Information Interaction and Retrieval, Vancouver, BC, Canada, March 14-18, 2020

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Made to Measure: A Workshop on Human-centred metrics for information seeking
George Buchanan | Dana McKay | Charles L. A. Clarke | Leif Azzopardi | Johanne R. Trippas
CHIIR '20: Conference on Human Information Interaction and Retrieval, Vancouver, BC, Canada, March 14-18, 2020

2021

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Evaluation Measures Based on Preference Graphs
Charles L. A. Clarke | Chengxi Luo | Mark D. Smucker
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

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Visualizing Searcher Gaze Patterns
Mustafa Abualsaud | Mark D. Smucker | Charles L. A. Clarke
CHIIR '21: ACM SIGIR Conference on Human Information Interaction and Retrieval, Canberra, ACT, Australia, March 14-19, 2021

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Assessing Top- Preferences
Charles L. A. Clarke | Alexandra Vtyurina | Mark D. Smucker
2021 Volume 39 Issue 3

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