Publications

 

Peer Reviewed Publications

2017

Y. Gu, G. Leroy, D. Kauchak, "When synonyms are not enough: Optimal parenthetical insertion for text simplification," Accepted for the AMIA Fall Symposium, November 2017, Washington DC.

P. Mukherjee, G. Leroy, D. Kauchak, B. A. Navarrete, D. Y. Diaz, and S. Colina, "The Role of Surface, Semantic and Grammatical Features on Simplification of Spanish Medical Texts: A User Study," Accepted for the AMIA Fall Symposium, November 2017, Washington DC.

G. Leroy, B. A. Navarrete, S. Colina, D. Kauchak,  "Spanish Text Simplification Using Term Familiarity: Applying Principles from English Text Simplification," Accepted for the AMIA Fall Symposium, November 2017, Washington DC. [poster]

D. Revere, P. Mukherjee, D. Kauchak, and G. Leroy,  "Creating a Corpus Resource for Text Simplification Research and Development," Accepted for the AMIA Fall Symposium, November 2017, Washington DC. [poster]

D. Kauchak, G. Leroy and A. Hogue, "Measuring Text Difficulty Using Parse-Tree Frequency", Journal of the Association for Information Science and Technology, Forthcoming 2017.[Full text pre-print]

G. Leroy, Y. Gu, S. Pettygrove and M. Kurzius-Spencer, "Automated Lexicon and Feature Construction using Word Embedding and Clustering for EHR Classification", 22nd International Conference on Applications of Natural Language to Information Systems, Belgium, June 22-24, 2017.

P. Harber and G. Leroy, "Feasibility and Utility of Lexical Analysis for Occupational Health Text", Journal of Occupational and Environmental Medicine, Volume 59(6), p 578–587, June 2017.

P. Mukherjee, G. Leroy, D. Kauchak, S. Rajnarayanan, D. Diaz, N. Yuan, T. Pritchard, and S. Colina, "NegAIT: A New Parser for Medical Text Simplification Using Morphological, Sentential and Double Negation", Journal of Biomedical Informatics, Volume 69, May 2017, Pages 55–62, 2017. [Link to Paper] [Download the Parser]

P. Harber and G. Leroy, "Social Media Use for Occupational Lung Disease", Current Opinion in Allergy & Clinical Immunology, Vol 17, Issue 2, p72-77,  April 2017


2016

D. Kauchak, G. Leroy and M. Just, "Grammar Frequency and Simplification: When Intuition Fails," AMIA Fall Symposium, Chicago, November 2016. (Distinguished Poster Award) [poster text] [poster slide]

G. Leroy, J. Koolippurackal, S. Swami, and P. Harber, "Reviewing Asthma-related Grey Literature and Personal Opinions on Twitter using LDA and CTM Clustering", AMIA Fall Symposium, Chicago, p 148, November 2016. [poster text] [poster slide

D. Kauchak and G. Leroy, "Moving Beyond Readability Metrics for Simplifying Health-related Text", IEEE IT Professional, 8(3), 45-51, 2016.[Full text pre-print]

G. Leroy, D. Kauchak and A. Hogue, "Effects of Text Simplification: Evaluation of Splitting up Noun Phrases", Journal of Health Communication, 21(S1), 18-26, 2016. [Free Full Text]


2015

G. Leroy, P. Harber and D. Revere, "Public sharing of medical advice using social media: an analysis of a Twitter", Seventeenth International Conference on Grey Literature - A new wave of textual and non-textual grey literature, December 1-2, Amsterdam, Netherlands, 2015.[Full text]

D. Revere,  G. Leroy and J. Baseman, "What's the message? A NLP analysis of public health information sent by SMS", Seventeenth International Conference on Grey Literature - A new wave of textual and non-textual grey literature, December 1-2, Amsterdam, Netherlands, 2015. (poster)

P. Harber and G. Leroy, "Assessing Work-Asthma Interaction with Amazon Mechanical Turk", Journal of Occupational and Environmental Medicine, April, 57 (4), 381-385, 2015.


2014

C.-H. Ku and G. Leroy, "A Decision Support System: Automated Crime Report Analysis and Classification for e-Government", Government Information Quarterly, 31, 4, 534-544, 2014.

G. Leroy and D. Kauchak, "The Effect of Word Familiarity on Actual and Perceived Text Difficulty", Journal of the American Medical Informatics Association (JAMIA), 21, e1, 2014. [doi:10.1136/amiajnl-2013-002172 ] [Full Free Text Online]

G. Leroy, M. Kurzius-Spencer, and S. Pettygrove, “Using Natural Language Processing for Autism Trigger Extraction”, AMIA Fall Symposium, Washington DC, November 15-19, 2014.[Full Text Poster]

Liadh Kelly, Lorraine Goeuriot, Hanna Suominen, Tobias Schreck, Gondy Leroy, Danielle L. Mowery, Sumithra Velupillai, Wendy W. Chapman, David Martinez, Guido Zuccon, João Palotti, "Overview of the ShARe/CLEF eHealth Evaluation Lab 2014", 5th International Conference of the CLEF Initiative: Information Access Evaluation. Multilinguality, Multimodality, and Interaction,  CLEF 2014, Sheffield, UK, September 15-18, 2014. [Editorial]

Hanna Suominen, Tobias Schreck, Gondy Leroy, Harry Hochheiser, Lorraine Goeuriot, Liadh Kelly, Danielle L Mowery, Jaume Nualart, Gabriela Ferraro, Daniel Keim, "Task 1 of the CLEF eHealth Evaluation Lab 2014 : Visual-Interactive Search and Exploration of eHealth Data" ,5th International Conference of the CLEF Initiative: Information Access Evaluation. Multilinguality, Multimodality, and Interaction,  CLEF 2014, Sheffield, UK, September 15-18, 2014.[Editorial]

G. Leroy, H. Chen and T. Rindflesch, “Smart and Connected Health”, IEEE Computer, 2014.[Editorial]

C. Pentoney, J. Harwell, and G. Leroy, "Does Query Expansion Limit Our Learning? A Comparison of Social-Based Expansion to Content-Based Expansion for Medical Queries on the Internet", AMIA, November, 2014.[Full Free Text Online]

J. Harwell, C. Pentoney, and G. Leroy, “Finding and Understanding Medical Information Online”, in Information Technologies for Patient Empowerment in Healthcare, Eds. Adela Grando. November, 2014. [Pre-print]

A. Alsudais, G. Leroy, and A. Corso, "We Know Where You Are Tweeting from: Assigning a Type of Place to Tweets using Natural Language Processing and Random Forests", IEEE Proceedings of the 3rd International Congress on Big Data, Anchorage, Alaska, Jun 27 - July2, 2014. [Pre-print]

J. Harwell, C. Pentoney, and G. Leroy, " Big Data For Query Expansion: A Comparison of Content-based versus Social-based Keywords," 2014 Winter Conference on Business Intelligence, February 27 – March 1, Snowbird, Utah, 2014.[Abstract][Full Text]

D. Kauchak, O. Mouradi, C. Pentoney, and G. Leroy, "Text Simplification Tools: Using Machine Learning to Discover Features that Identify Difficult Text", 47th Hawaii International Conference on System Sciences (HICSS), Waikaloa, Big Island, Hawaii, January 6-9, 2014.[Full Text]


2013

M. Kwak, G. Leroy, J.D. Martinez, and J. Harwell, "Development and Evaluation of a Biomedical Search Engine using a Predicate-based Vector Space Model", Journal of Biomedical Informatics, 15, 7, e144, 2013.[doi: 10.1016/j.jbi.2013.07.006][Full Free Text Online]

G. Leroy, J.E. Endicott, D. Kauchak, O. Mouradi, and M. Just, "User Evaluation of the Effects of a Text Simplification Algorithm using Term Familiarity on Perception, Understanding, Learning and Information Retention, Journal of Medical Internet Research (JMIR), 15(7):e144, 2013. [Full Text][Full Free Text online]

G. Leroy, D. Kauchak, and O. Mouradi, “A User-study Measuring the Effects of Lexical Simplification and Coherence Enhancement on Perceived and Actual Text Difficulty”, International Journal of Medical Informatics, 82, 8, 717-730, 2013.[Full Text Online]

C.  C. Yang, G. Leroy, S. Ananiadou, “Smart Health and Wellbeing”, ACM Transactions on Management Information Systems (TMIS) - Special Issue on Informatics for Smart Health and Wellbeing 4, 4, 2013. [Editorial]

C.-H. Ku and G. Leroy, "Automated Crime Report Analysis and Classification for e-Government and Decision Support", 14th Annual International Conference on Digital Government Research (DG.O 2013), Quebec, Canada, 17-20 June, 2013.

O. Mouradi, G. Leroy, D. Kauchak and J.E. Endicott, “Influence of Text and Participant Characteristics on Perceived and Actual Text Difficulty,” Hawaii International Conference on System Sciences (HICSS-40), Maui, January 7-10, 2013. [Free Full Text Online]


2012

M. Kwak, G. Leroy and M. Kim, "Development and Evaluation of a Triple Parser to Enable Visual Searching with a Biomedical Search Engine", International Journal of Biomedical Engineering and Technology (IJBET), Vol. 10, No 4, 351-367, 2012.

G. Leroy, J.E. Endicott, O. Mouradi, D. Kauchak, and M. Just, "Improving Perceived and Actual Text Difficulty for Health Information Consumers using Semi-Automated Methods", American Medical Informatics Association (AMIA) Fall Symposium, Chicago, IL, November 3-7, 2012.[Full Free Text Online]

J. Harwell, G. Leroy, M. Kwak, and J.D. Martinez, "Comparison of Lay and Professional Search Diagrams with Implications for a Biomedical Search Engine Design", American Medical Informatics Association (AMIA) Fall Symposium, Chicago, IL, November 3-7, 2012.

G. Leroy, J. Gutierrez, and H. Seung, "Evidence of Using a Mobile Device for Communication with Children with Autism: Lessons Learned and Critical Obstacles", American Medical Informatics Association (AMIA) Fall Symposium, Chicago, IL, November 3-7, 2012.

G. Leroy, D. Kauchak and W. Coster, "Systematic Grammatical Analysis of Easy and Difficult Medical Text", American Medical Informatics Association (AMIA) Fall Symposium, Chicago, IL, November 3-7, 2012.

C-H. Ku, J. H. Nguyen & G. Leroy, "TASC - Crime Report Visualization for Investigative Analysis: A Case Study," IEEE International Conference on Information Reuse and Integration 2012 (IEEE IRI 2012),  Forthcoming, LAs Vegas, August 8-10, 2012.

G. Leroy and J.E. Endicott, "Combining NLP with Evidence-based Methods to Find Text Metrics related to Perceived and Actual Text Difficulty," 2nd ACM SIGHIT International Health Informatics Symposium (ACM IHI 2012), Florida, Miami, January 28-30, 2012.


2011

C. Ku and G. Leroy, "A Crime Reports Analysis System to Identify Related Crimes," Journal of the American Society or Information Science and Technology (JASIST), 62 (8), 1533-1547, 2011.   

M. Kwak, G. Leroy and J. Martinez, "A Pilot Study of a Predicate-based Vector Space Model for a Biomedical Search Engine", IEEE International Conference on Bioinformatics & Biomedicine (BIBM11), Atlanta, Georgia, USA, Nov. 12-15, 2011.

C. Gonzales and G. Leroy, "Eliciting User Requirements using Appreciative Inquiry", Empirical Software Engineering, 16(6), 733-772, DOI: 10.1007/s10664-011-9156-x, 2011.

G. Leroy and J.E. Endicott, “Term Familiarity to indicate Perceived and Actual Difficulty of Text in Medical Digital Libraries”, International Conference on Asia-Pacific Digital Libraries (ICADL 2011) Beijing, China, Oct 24-27, 2011.


2010

G. Leroy, S. Helmreich, and J. Cowie, "The Influence of Text Characteristics on Perceived and Actual Difficulty of Health Information", International Journal of Medical Informatics, 79 (6), 438-449, (June) 2010.

G. Leroy and T. Miller, "Perils of Providing Visual Health Information Overviews for Consumers with Low Health Literacy or High Stress", Journal of the American Medical Informatics Association (JAMIA), 17, 220-223, (March/April) 2010 (DOI: 10.1136/jamia.2009.002717) [Full Free Text Online]

G. De Leo, C. Heins-Gonzales, P. Battagiri, G. Leroy, "A Smart-phone Application and a Companion Website for the Improvement of the Communication Skills of Children with Autism: Clinical Rationale, Technical Development and Preliminary Results",  Journal of Medical Systems, DOI: 10.1007/s10916-009-9407-1, 2010.

K. A. Al-Busaidi, L. Olfman, T. Ryan, and G. Leroy, "Sharing Knowledge to A Knowledge Management System: Examining the motivators and the benefits in an Omani organization,” Journal of Organizational Knowledge Management, Vol. 2010, Article ID 325835, 2010.

R. McClintock, Y. Lee, J. Hilton, B. Hilton, G. Leroy, " Integrating Environmental Science into Information Technology Content to Generate Student Interest," 16th Americas Conference on Information Systems (AMCIS), Lima Peru, August 12-15, 2010.

G. Leroy, "Old and New Readability Metrics and their Relation to Text Difficulty", IHA’s Ninth Annual Health Literacy Conference - Health Literacy in the Real World: Programs & Solutions That Work, Irvine, California, May 6-7, 2010.

G. Leroy, S. Helmreich, and J.R. Cowie, "The Effects of Linguistic Features and Evaluation Perspective on Perceived Difficulty of Medical Text," Hawaii International Conference on System Sciences, January 5-8, Kauai, 2010. [Free Full Text Online]

G. Leroy, "Search Engine Interfaces", in Internet Policies and Issues, Volume 7, Ed. B.G. Kutais, Nova Science Publishers, 2010. (ISBN 978-1-61668-745-8)


2009

A. Iriberri and G. Leroy, "A Life Cycle Perspective on Online Community Success", ACM Computing Surveys, vol. 41, issue 2, Article 11, 2009.

G. Leroy, "Persuading Consumers to Form Precise Search Engine Queries," American Medical Informatics (AMIA) Fall Symposium, San Francisco, November 14-18, 2009.[Full Free Text Online]

G. Leroy and G. De Leo, "The PixTalk Communication System a Smartphone Application and Companion Website for the Improvement of Communication Skills of Children with Autism", mHealth Summit, Washington, DC, November 9-10, 2009.

C. Gonzales, G. Leroy, and G. De Leo, "Augmentative and Alternative Communication Technologies", Handbook of Research on Developments in e-Health and Telemedicine: Technological and Social Perspectives, Eds., M. Manuela Cunha, Antonio Tavares and Ricardo Simoes, 2009. (ISBN: 978-1-61520-670-4)

G. De Leo, C. Gonzales, P. Battagiri and G. Leroy, "A Touch-Screen Smarphone Application and An Online Community for the Improvement of the Communication of Children with Severe Autism and for the Support of Their Teachers and Therapists," 8th Annual International Meeting for Autism Research (IMFAR), Chicago, Illinois, USA, May 7-9, 2009.

C. Gonzales, G. Leroy, and G. De Leo, "Requirements Engineering using Appreciative Inquiry for an Online Community of Caregivers of Children with Autism", 4th Annual ACM Symposium on Applied Computing, Honolulu, Hawaii, March 8-12, 2009.


2008

A. Keselman, R. Logan, C. A. Smith,  G. Leroy, Q. Zeng-Treitler, "Developing Informatics Tools and Strategies for Consumer-centered Health Communication," Journal of the American Medical Informatics Association (JAMIA), vol. 15, issue 4, 473-483, 2008.

A. Keselman, C. Arnott Smith, G. Divita, H. Kim, A. Browne, G. Leroy, Q. Zeng-Treitler, “Consumer Health Concepts that do not Map to the UMLS: Where Do They Fit?,” Journal of the American Medical Informatics Association (JAMIA),  vol. 15, issue 4, 496-505, 2008.[Full Free Text Online]

J. Gutierez and G. Leroy, "Using Decision Trees to Predict Crime Reporting," in Advanced Principles for Improving Database Design, Systems Modeling, and Software Development,  Eds, J. Erickson and K. Siau, IGI Global, p. 132 - 145, November, 2008. (ISBN-13: 9781605661728)

G. Leroy, T. Miller, G. Rosemblat, and A. Browne, "A Balanced Approach to Health Information Evaluation: A Vocabulary-based Naïve Bayes Classifier and Readability Formulas," Journal of the American Society for Information Science and Technology (JASIST), vol. 59, issue 9, 1409-1419, 2008.

T. Miller and G. Leroy, "Visualization of Health Information with Predications Extracted Using Natural Language Processing and Filtered Using the UMLS", American Medical Informatics Association (AMIS), Annual Symposium, Washington DC, November, 2008.

G. De Leo and G. Leroy, "An Online Community for Teachers of Children with Autism to Support, Observe, and Evaluate Communication Enabled with Smartphones", American Medical Informatics Association (AMIA) Annual Symposium, Washington DC, November, 2008.

S. Goryachev,  Q. Zeng-Treitler, C. Arnott-Smith, A. Browne, G. Divita, A. Keselman, G. Leroy, and R. Figueroa, "Making Primarily Professional Terms More Comprehensible to the Lay Audience,"  American Medical Informatics Association (AMIA) Annual Symposium, Washington DC, November 8-12, 2008.

T. Miller and G. Leroy, “Dynamic Generation of a Health Topics Overview from Consumer Health Information Documents," International Journal of Biomedical Engineering and Technology, vol. 1, issue 4, 395-414, 2008 .

G. Leroy, K. M. Tolle, L. Perkins, "Women and Technology: Reversing the Trends of Attrition and Obtaining a Balance", Women's Studies, 37, 173-175, 2008. [Editorial]

G. Leroy, S. Helmreich,  J.  Cowie,  T. Miller, W.  Zheng, "Evaluating Online Health Information: Beyond Readability Formulas," American Medical Informatics Association (AMIA) Annual Symposium, Washington DC, November, 2008. (Nominated for Distinguished Paper Award)[Full Free Text Online]

M. Kwak, W. Kang, G. Leroy, and S. Chatterjee, "E-Transcript Web Services System Supporting Dynamic Conversion Between XML and EDI", 14th Americas Conference on Information Systems (AMCIS) 2008 Toronto, Ontario, August 14-17, 2008

K. Al-Busaidi, L. Olfman, T. Ryan, G. Leroy, "The Motivators and Benefits of Sharing Knowledge to a KMS Repository in an Omani Organization", 10th IBIMA conference, Malaysia, June 30-July 2, 2008.(Best Paper Award)

G. De Leo and G. Leroy, "Smartphones to Facilitate Communication and Improve Social Skills of Children with Severe Autism Spectrum Disorder: Special Education Teachers as Proxies", Seventh International Conference on Interaction Design & Children, June 11-13, 2008, Chicago, USA.

Chih Hao Ku, A. Iriberri, and G. Leroy, "Natural Language Processing and e-Government: Crime Information Extraction from Heterogeneous Data Sources", Ninth International Conference on Digital Government Research (DG.O 2008), May 18-21, Montreal, Canada.

A. Iriberri, C.H. Ku , and G. Leroy, "Enabling Synergy between Psychology and Natural Language Processing for e-Government: Crime Reporting and Investigative Interview System",  Ninth International Conference on Digital Government Research (DG.O 2008), May 18-21, 2008, Montreal, Canada.

Chih Hao Ku, A. Iriberri, and G. Leroy, "Crime Information Extraction from Police and Witness Narrative Reports, 2008 IEEE International Conference on Technologies for Homeland Security", May 12-13, 2008, Boston.

G. Leroy and G. De Leo, "Mobile Communication and Data Gathering Software for Autistic Children and Their Caregivers", Positive Design Conference, Monterrey, Mexico, April 2008.

G. Leroy, M. Fiszman, and T.C. Rindflesch, "The Impact of Directionality in Predications on Text Mining," Hawaii International Conference on System Sciences (HICSS-41), January 2008. (Nominated for Best Paper Award)[Free Full Text Online]

G. Leroy, "Improving Health Literacy with Information Technology," in Encyclopaedia of Healthcare Information Systems, Ed., N. Wickramasinghe, Idea Group, Inc, 2008.


2007

G. Leroy, J. Xu, W. Chung, S. Eggers and H. Chen, "An End User Evaluation of Query Formulation and Results Review Tools in Three Medical Meta-Search Engines," International Journal of Medical Informatics, vol. 76, issue 11-12, pp 780-789, November-December 2007.

G. Leroy and H. Chen, "Introduction to the Special Issue on Decision Support in Medicine," Decision Support Systems, 43, 1203-1206, 2007.[Editorial] 

G. Leroy, G. De Leo, F. Moss, J. Fryer, and S. M. Robb, "An Online Community for Teachers to Support, Observe, Collect and Evaluate Assisted Communication with Children with Autistic Spectrum Disorders who use Smartphones as Communication Devices," Workshop on Intelligent Systems for Assisted Cognition, October 12-13, 2007, Rochester, New York.

A. Iriberri and G. Leroy "Natural Language Processing and e-Government: Extracting Reusable Crime Report Information", IEEE International Conference on Information Reuse and Integration (IEEE IRI-2007), Las Vegas, Nevada, USA,  August 13-15, 2007

E. Sloane, G. Leroy and S. Sheetz, "An Integrated Social Actor and Service Oriented Architecture (SOA) Approach for Improved Electronic Health Record (EHR) Privacy and Confidentiality in the US National Healthcare Information Network (NHIN)", Americas Conference on Information Systems (AMCIS), Keystone, Colorado, USA, August 9-12, 2007.

J. Gutierrez and G. Leroy, "Predicting Crime Reporting with Decision Trees and the National Crime Victimization Survey", Americas Conference on Information Systems (AMCIS), Keystone, Colorado, USA, August 9-12, 2007.

K. Al-Busaidi, L. Olfman, T. Ryan, and G. Leroy, "Revealing the Antecedents and Benefits of KMS Use: An Exploratory Study in a Petroleum Company in Oman," Ninth International Conference on Decision Support Systems, 2007.

T. Miller, G. Leroy, S. Chatterjee, J. Fan, and B. Thoms, "A Classifier to Evaluate Language Specificity in Medical Documents", Hawaii International Conference on System Sciences (HICSS-40), January 2007. (Best Paper Award) [Free Full Text Online]


2006

T. Miller, G. Leroy, and E. Wood, "Dynamic Generation of a Table of Contents with Consumer-Friendly Labels", American Medical Informatics Association (AMIA) Annual Symposium, Washington DC, November 11-15, 2006.[Full Free Text Online]

G. Leroy, E. Eryilmaz, and B. T. Laroya, "Health Information Text Characteristics", American Medical Informatics Association (AMIA) Annual Symposium, Washington DC, November 11-15, 2006. (Nominated for Distinguished Paper Award)[Full Free Text Online]

G. Leroy, A. Irmscher, and M.H. Charlop-Christy, "Data Mining Techniques to Study Therapy Success with Autistic Children", 2006 International Conference on Data Mining, 26 - 29 June, Monte Carlo Resort, Las Vegas, USA, 2006

T. Miller, G. Leroy, J. Huang, S. Chuang,  and M.H. Charlop-Christy, “Using a Digital Library of Images for Communication: Comparison of a Card-Based System to PDA Software”, First International Conference on Design Science Research in Information Systems and Technology, February, Claremont, 2006.

A. Iriberri, G. Leroy, N. Garrett, "Reporting on-Campus Crime Online: User Intention to Use", Hawaii International Conference On Systems Sciences (HICSS), January, Hawaii, 2006.


2005

G. Leroy and T. C. Rindflesch, "Effects of Information and Machine Learning Algorithms on Word Sense Disambiguation with Small Datasets," International Journal of Medical Informatics, vol. 74, issue 7-8, 573-585, 2005.

G. Leroy, J. Huang, S. Chuanga, M. Charlop-Christy, "Communication Software using Pictures for use with Pocket PCs," American Medical Informatics Association Fall Symposium, October 22-26, 2005, Washington DC.[Full Free Text Online]

G. Leroy, S. Chuang, J. Huang, and M. Charlop-Christy, "Digital Libraries on Handhelds for Autistic Children," presented at the Fifth ACM+IEEE Joint Conference on Digital Libraries (JCDL-2005), June 7-11, 2005, Denver, Colorado.

G. Leroy and H. Chen, "Genescene: An Ontology-enhanced Integration of Linguistic and Co-occurrence based Relations in Biomedical Texts," Journal of the American Society for Information Systems and Technology (JASIST), vol. 56, issue 5, 457-468, March 2005. 

D. M. McDonald , H. Su, J. Xu, C.-J. Tseng, H. Chen, and G. Leroy, "Genepathway Text Mining and Visualization," in Medical Informatics: Advances in Knowledge Management and Data Mining in Biomedicine, Eds. H. Chen, S. Fuller, and A. McCray, 2005.


2004

G. Leroy and T. C. Rindflesch. "Using Symbolic Knowledge in the UMLS to Disambiguate Words in Small Datasets with a Naive Bayes Classifier," MedInfo, San Francisco, 2004. 

G. Leroy, T. C. Rindflesch, B. Libbus, H. Kilicoglu, and H. Chen, "A Syntactic Parser with Semantic Filtering for Biomedical Text," Pacific Symposium on Biocomputing (PSB), 2004.


2003

G. Leroy, A. Lally, and H. Chen. “The Use of Dynamic Contexts to Improve Casual Internet Searching,” ACM Transactions on Information Systems (ACM -TOIS), vol. 21, issue 3, pp 229-253, July 2003.

G. Leroy, H. Chen, and J. D. Martinez. “A Shallow Parser Based on Closed-Class Words to Capture Relations in Biomedical Text,” Journal of Biomedical Informatics (JBI), vol. 36, pp 145-158, June 2003. [Full Text Online - Free]

G. Leroy, H. Chen, J. Martinez, S. Eggers, R. Falsey, K. Kislin, Z. Huang, J. Li, J. Xu, D. McDonald, and G. Ng. “Genescene: Biomedical Text and Data Mining,” presented at the Third ACM+IEEE Joint Conference on Digital Libraries (JCDL), May 27-31, 2003, Houston, Texas. 


2002

G. Leroy and H. Chen. “MedTextus: An Ontology-enhanced Medical Portal,” presented at the Workshop on Information Technology and Systems (WITS), December 2002. [Full Paper]

G. Leroy and H. Chen, "Filling Preposition-based Templates to Capture Information from Medical Abstracts," presented at the Pacific Symposium on Biocomputing (PSB), Kaua’i, pp 350-361, January 2002.[Full Text Online Free]

B. Zhu, G. Leroy, H. Chen, and Y. Chen, "MedTextus: An Intelligent Web-Based Medical Meta-Search System," presented at the ACM and IEEE Joint Conference on Digital Libraries, Portland, OR, 2002.


2001

G. Leroy and H. Chen, "Meeting Medical Terminology Needs: The Ontology-enhanced Medical Concept Mapper," IEEE Transactions on Information Technology in Biomedicine, vol. 5 (4), pp 261 – 270, December 2001. 


2000 and older

P. B. Lowry, H. W. Anderson, D. C. Wilson, G. Leroy, and L. Lin, "MIS Legitimacy and the Proposition of a New Multi-dimensional Model of MIS," presented at the 3rd Annual Conference of the Southern Association for Information Systems (SAIS), Atlanta, GA 2000. 

G. Leroy, K. M. Tolle, and H. Chen, "Customizable and Ontology-Enhanced Medical Information Retrieval Interfaces," presented at the IMIA WG6 Triennial Conference on Natural Language and Medical Concept Representation, Phoenix, Arizona, December, 1999.

K. Tolle, G. Leroy, R. Sewell, Y. Fang, D. Roussinov, P. Z. Stavri, and C. Chen, "Medical Information Access for the New Millennium: UMLS-Enhanced Semantic Parsing and Personalized Medical Agent," presented at Fourth ACM Conference on Digital Libraries, Berkeley, CA, 1999.

G. d'Ydewalle, G. Leroy, and P. v. Diepen, "Using Peripheral Information in Processing Objects in Scenes," presented at the XXVI International Congress of Psychology, Montréal, Canada, 1996. 

G. Leroy, W. Schaeken, and G. d’Ydewalle, “Working Memory and Validity, Content and Believability of Syllogisms,” presented at the Annual Meeting of the Belgian Psychological Society, Brussels, May 10, 1996.

G. Leroy, and K. Lamberts, “Syllogism Solving Under Time Pressure,” presented at the Annual Meeting of the Belgian Psychological Society, Brussels, May 10, 1996.