2020

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A Query Taxonomy Describes Performance of Patient-Level Retrieval from Electronic Health Record Data
Steve Chamberlin | Steven Bedrick | Aaron M. Cohen | Yanshan Wang | Andrew Wen | Sijia Liu | Hongfang Liu | William R. Hersh
Proceedings of the ACM WSDM 2020 Health Search and Data Mining Workshop, co-located with the 13th ACM International WSDM Conference, HSDM@WSDM 2020, Houston, TX, USA, February 3, 2020

2018

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OHSU CLEF 2018 Task 2 Diagnostic Test Accuracy Ranking using Publication Type Cluster Similarity Measures
Aaron M. Cohen | Neil R. Smalheiser
Working Notes of CLEF 2018 - Conference and Labs of the Evaluation Forum, Avignon, France, September 10-14, 2018

2012

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Identifying Patients for Clinical Studies from Electronic Health Records: TREC 2012 Medical Records Track at OHSU
Steven Bedrick | Tracy Edinger | Aaron M. Cohen | William R. Hersh
Proceedings of The Twenty-First Text REtrieval Conference, TREC 2012, Gaithersburg, Maryland, USA, November 6-9, 2012

2011

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Identifying Patients for Clinical Studies from Electronic Health Records: TREC Medical Records Track at OHSU
Steven Bedrick | Kyle H. Ambert | Aaron M. Cohen | William R. Hersh
Proceedings of The Twentieth Text REtrieval Conference, TREC 2011, Gaithersburg, Maryland, USA, November 15-18, 2011

2009

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Tasks, topics and relevance judging for the TREC Genomics Track: five years of experience evaluating biomedical text information retrieval systems
Phoebe M. Roberts | Aaron M. Cohen | William R. Hersh
2009 Volume 12 Issue 1

2007

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The OHSU Biomedical Question Answering System Framework
Aaron M. Cohen | Jianji Yang | Seeger Fisher | Brian Roark | William R. Hersh
Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007

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TREC 2007 Genomics Track Overview
William R. Hersh | Aaron M. Cohen | Lynn Ruslen | Phoebe M. Roberts
Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007

2006

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TREC 2006 Genomics Track Overview
William R. Hersh | Aaron M. Cohen | Phoebe M. Roberts | Hari Krishna Rekapalli
Proceedings of the Fifteenth Text REtrieval Conference, TREC 2006, Gaithersburg, Maryland, USA, November 14-17, 2006

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Combining Lexicon Expansion, Information Retrieval, and Cluster-based Ranking for Biomedical Question Answering
Aaron M. Cohen | Jianji Yang | Seeger Fisher | Brian Roark | William R. Hersh
Proceedings of the Fifteenth Text REtrieval Conference, TREC 2006, Gaithersburg, Maryland, USA, November 14-17, 2006

2005

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TREC 2005 Genomics Track Overview
William R. Hersh | Aaron M. Cohen | Jianji Yang | Ravi Teja Bhupatiraju | Phoebe M. Roberts | Marti A. Hearst
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005

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A Comparison of Techniques for Classification and Ad Hoc Retrieval of Biomedical Documents
Aaron M. Cohen | Jianji Yang | William R. Hersh
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005

2004

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TREC 2004 Genomics Track Overview
William R. Hersh | Ravi Teja Bhupatiraju | L. Ross | Aaron M. Cohen | Dale Kraemer | Phoebe Johnson
Proceedings of the Thirteenth Text REtrieval Conference, TREC 2004, Gaithersburg, Maryland, USA, November 16-19, 2004

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Feature Generation, Feature Selection, Classifiers, and Conceptual Drift for Biomedical Document Triage
Aaron M. Cohen | Ravi Teja Bhupatiraju | William R. Hersh
Proceedings of the Thirteenth Text REtrieval Conference, TREC 2004, Gaithersburg, Maryland, USA, November 16-19, 2004