A Recognizer for Minimalist Grammars. - Henk Harkema (IWPT, 2000)

A Characterization of Minimalist Languages. - Henk Harkema (LACL, 2001)

A Large-Scale Resource for Storing and Recognizing Technical Terminology. - Henk Harkema; Robert J. Gaizauskas; Mark Hepple; Neil Davis; Yikun Guo; Angus Roberts; Ian Roberts (LREC, 2004)

Sheffield University and the TREC 2004 Genomics Track: Query Expansion Using Synonymous Terms. - Yikun Guo; Henk Harkema; Robert J. Gaizauskas (TREC, 2004)

The University of Sheffield's TREC 2005 Q&A Experiments. - Robert J. Gaizauskas; Mark A. Greenwood; Henk Harkema; Mark Hepple; Horacio Saggion; Atheesh Sanka (TREC, 2005)

: Three Approaches to GO-Tagging Biomedical Abstracts. - Neil Davis; Henk Harkema; Robert J. Gaizauskas; Yikun Guo; Moustafa Ghanem; Tom Barnwell; Yike Guo; Jon Ratcliffe (SMBM, 2006)

Task-Oriented Extraction of Temporal Information: The Case of Clinical Narratives. - Robert J. Gaizauskas; Henk Harkema; Mark Hepple; Andrea Setzer (TIME, 2006)

Temporal Annotation of Clinical Text. - Danielle L. Mowery; Henk Harkema; Wendy W. Chapman (BioNLP, 2008)

Methodology to Develop and Evaluate a Semantic Representation for NLP. - Jeannie Yuhaniak Irwin; Henk Harkema; Lee M. Christensen; Titus Schleyer; Peter J. Haug; Wendy Webber Chapman (AMIA, 2009)

ONYX: A System for the Semantic Analysis of Clinical Text. - Lee M. Christensen; Henk Harkema; Peter J. Haug; Jeannie Yuhaniak Irwin; Wendy W. Chapman (BioNLP@HLT-NAACL, 2009)

Distinguishing Historical from Current Problems in Clinical Reports - Which Textual Features Help? - Danielle L. Mowery; Henk Harkema; John N. Dowling; Jonathan L. Lustgarten; Wendy W. Chapman (BioNLP@HLT-NAACL, 2009)

ConText: An algorithm for determining negation, experiencer, and temporal status from clinical reports. - Henk Harkema; John N. Dowling; Tyler Thornblade; Wendy Webber Chapman (J. Biomed. Informatics, 2009)

Leveraging the semantic web and natural language processing to enhance drug-mechanism knowledge in drug product labels. - Richard D. Boyce; Henk Harkema; Mike Conway (IHI, 2010)

Developing a natural language processing application for measuring the quality of colonoscopy procedures. - Henk Harkema; Wendy Webber Chapman; Melissa I. Saul; Evan S. Dellon; Robert E. Schoen; Ateev Mehrotra (J. Am. Medical Informatics Assoc., 2011)

Using Natural Language Processing to Extract Drug-Drug Interaction Information from Package Inserts. - Richard D. Boyce; Gregory Gardner; Henk Harkema (BioNLP@HLT-NAACL, 2012)

Building an automated SOAP classifier for emergency department reports. - Danielle L. Mowery; Janyce Wiebe; Shyam Visweswaran; Henk Harkema; Wendy Webber Chapman (J. Biomed. Informatics, 2012)

Semantic Annotation of Clinical Events for Generating a Problem List. - Danielle L. Mowery; Pamela W. Jordan; Janyce Wiebe; Henk Harkema; Wendy W. Chapman (AMIA, 2013)

Improving performance of natural language processing part-of-speech tagging on clinical narratives through domain adaptation. - Jeffrey P. Ferraro; Hal Daumé III; Scott L. DuVall; Wendy Webber Chapman; Henk Harkema; Peter J. Haug (J. Am. Medical Informatics Assoc., 2013)

Use of Freetext Clinical Reports for Prediction of 30-Day Psychiatric Readmissions. - José D. Posada; Lingyun Shi; Ye Ye; Frank A. Ghinassi; Neal D. Ryan; Henk Harkema; Rich Tsui (AMIA, 2016)

Social Context Sentence Classification from Psychiatric Reports using Positive and Unlabeled Learning. - José D. Posada; Lingyun Shi; Sergio M. Castro; Shyam Visweswaran; Neal D. Ryan; Henk Harkema; Rich Tsui (AMIA, 2018)