Research Paper: A Logical Foundation for Representation of Clinical Data. - Keith E. Campbell; Amar K. Das; Mark A. Musen (J. Am. Medical Informatics Assoc., 1994)

A Component-Based Architecture for Automation of Protocol-Directed Therapy. - Mark A. Musen; Samson W. Tu; Amar K. Das; Yuval Shahar (AIME, 1995)

Synthesis of Research: EON: A Component-Based Approach to Automation of Protocol-Directed Therapy. - Mark A. Musen; Samson W. Tu; Amar K. Das; Yuval Shahar (J. Am. Medical Informatics Assoc., 1996)

A foundational model of time for heterogeneous clinical databases. - Amar K. Das; Mark A. Musen (AMIA, 1997)

Theater-Style Demonstration: EON: CORBA-Based Middleware for Automation of Protocol-Directed Therapy. - Mark A. Musen; Samson W. Tu; Aneel A. Advani; Amar K. Das; Zaki Hasan; John H. Nguyen; Yuval Shahar (AMIA, 1997)

A temporal database mediator for protocol-based decision support. - John H. Nguyen; Yuval Shahar; Samson W. Tu; Amar K. Das; Mark A. Musen (AMIA, 1997)

Integration of Temporal Reasoning and Temporal-Data Maintenance into a Reusable Database Mediator to Answer Abstract, Time-Oriented Queries: The Tzolkin System. - John H. Nguyen; Yuval Shahar; Samson W. Tu; Amar K. Das; Mark A. Musen (J. Intell. Inf. Syst., 1999)

A formal method to resolve temporal mismatches in clinical databases. - Amar K. Das; Mark A. Musen (AMIA, 2001)

SYNCHRONUS: a reusable software module for temporal integration. - Amar K. Das; Mark A. Musen (AMIA, 2002)

Specifying Design Criteria for Electronic Medical Record Interface Using Cognitive Framework. - Pallav Sharda; Amar K. Das; Vimla L. Patel (AMIA, 2003)

Computational Method for Temporal Pattern Discovery in Biomedical Genomic Databases. - Mohammed I. Rafiq; Martin J. O'Connor; Amar K. Das (CSB, 2005)

Model Formulation: Modeling Electronic Discharge Summaries as a Simple Temporal Constraint Satisfaction Problem. - George Hripcsak; Li Zhou 007; Simon Parsons; Amar K. Das; Stephen B. Johnson (J. Am. Medical Informatics Assoc., 2005)

A Dynamic Distributed Architecture for Temporal Data Abstraction. - Vijay P. Chauhan; Martin J. O'Connor; Amar K. Das (AMIA, 2006)

Knowledge-Based Method for Building Patient Decision-Analytic Tools. - Amar K. Das; Bilal A. Ahmed; Yael Garten; Jeremy I. Robin; Mary K. Goldstein (AMIA, 2006)

Task Analysis of Writing Hospital Admission Orders: Evidence of a Problem-Based Approach. - Christopher D. Johnson; Roni F. Zeiger; Amar K. Das; Mary K. Goldstein (AMIA, 2006)

Prediction of HIV Mutation Changes based on Treatment History. - Ray S. Lin; Soo-Yon Rhee; Robert W. Shafer; Amar K. Das (AMIA, 2006)

Ontology-Driven Mapping of Temporal Data in Biomedical Databases. - Preetha S. Narayanan; Martin J. O'Connor; Amar K. Das (AMIA, 2006)

Combining Text Classification and Hidden Markov Modeling Techniques for Structuring Randomized Clinical Trial Abstracts. - Rong Xu; Kaustubh S. Supekar; Yang Huang; Amar K. Das; Alan M. Garber (AMIA, 2006)

An Ontology-Driven Mediator for Querying Time-Oriented Biomedical Data. - Martin J. O'Connor; Ravi D. Shankar; Amar K. Das (CBMS, 2006)

Knowledge-Based System for Managing Complex Clinical Trials. - Ravi D. Shankar; Susana B. Martins; Martin J. O'Connor; David B. Parrish; Amar K. Das (CBMS, 2006)

Epoch: an ontological framework to support clinical trials management. - Ravi D. Shankar; Susana B. Martins; Martin J. O'Connor; David B. Parrish; Amar K. Das (HIKM, 2006)

Towards Semantic Interoperability in a Clinical Trials Management System. - Ravi D. Shankar; Susana B. Martins; Martin J. O'Connor; David B. Parrish; Amar K. Das (ISWC, 2006)

Temporal representation and reasoning in medicine: Research directions and challenges. - Klaus-Peter Adlassnig; Carlo Combi; Amar K. Das; Elpida T. Keravnou; Giuseppe Pozzi (Artif. Intell. Medicine, 2006)

Customizing clinical narratives for the electronic medical record interface using cognitive methods. - Pallav Sharda; Amar K. Das; Trevor Cohen; Vimla L. Patel (Int. J. Medical Informatics, 2006)

Using Semantic Web Technologies for Knowledge-Driven Querying of Biomedical Data. - Martin J. O'Connor; Ravi D. Shankar; Samson W. Tu; Csongor Nyulas; Dave Parrish; Mark A. Musen; Amar K. Das (AIME, 2007)

An Ontology-Driven Method for Hierarchical Mining of Temporal Patterns: Application to HIV Drug Resistance Research. - Rashmi Raj; Martin J. O'Connor; Amar K. Das (AMIA, 2007)

An Ontology-based Architecture for Integration of Clinical Trials Management Applications. - Ravi D. Shankar; Susana B. Martins; Martin J. O'Connor; David B. Parrish; Amar K. Das (AMIA, 2007)

Knowledge-Level Querying of Temporal Patterns in Clinical Research Systems. - Martin J. O'Connor; Ravi D. Shankar; David B. Parrish; Amar K. Das (MedInfo, 2007)

Extracting Subject Demographic Information From Abstracts of Randomized Clinical Trial Reports. - Rong Xu; Yael Garten; Kaustubh S. Supekar; Amar K. Das; Russ B. Altman; Alan M. Garber (MedInfo, 2007)

Efficiently Querying Relational Databases Using OWL and SWRL. - Martin J. O'Connor; Ravi D. Shankar; Samson W. Tu; Csongor Nyulas; Amar K. Das; Mark A. Musen (RR, 2007)

Querying the Semantic Web with SWRL. - Martin J. O'Connor; Samson W. Tu; Csongor Nyulas; Amar K. Das; Mark A. Musen (RuleML, 2007)

Developing a Web-Based Application using OWL and SWRL. - Martin J. O'Connor; Ravi D. Shankar; Csongor Nyulas; Samson W. Tu; Amar K. Das (AAAI Spring Symposium: AI Meets Business Rules and Process Management, 2008)

Semantic Integration of Software Systems in Translational Clinical Trials. - Ravi D. Shankar; Martin J. O'Connor; David B. Parrish; Amar K. Das (AAAI Spring Symposium: Semantic Scientific Knowledge Integration, 2008)

Using an Integrated Ontology and Information Model for Querying and Reasoning about Phenotypes: The Case of Autism. - Samson W. Tu; Lakshika Tennakoon; Martin J. O'Connor; Ravi D. Shankar; Amar K. Das (AMIA, 2008)

Unsupervised Method for Automatic Construction of a Disease Dictionary from a Large Free Text Collection. - Rong Xu; Kaustubh S. Supekar; Alex Morgan 001; Amar K. Das; Alan M. Garber (AMIA, 2008)

An Ontological Approach to Representing and Reasoning with Temporal Constraints in Clinical Trial Protocols. - Ravi D. Shankar; Susana B. Martins; Martin J. O'Connor; Amar K. Das (HEALTHINF (1), 2008)

Representing and Reasoning with Temporal Constraints in Clinical Trials Using Semantic Technologies. - Ravi D. Shankar; Susana B. Martins; Martin J. O'Connor; David B. Parrish; Amar K. Das (BIOSTEC (Selected Papers), 2008)

The SWRLAPI: A Development Environment for Working with SWRL Rules. - Martin J. O'Connor; Ravi D. Shankar; Mark A. Musen; Amar K. Das; Csongor Nyulas (OWLED, 2008)

Extracting Cancer Quality Indicators from Electronic Medical Records: Evaluation of an Ontology-Based Virtual Medical Record Approach. - Wei-Nchih Lee; Samson W. Tu; Amar K. Das (AMIA, 2009)

A General Framework for Dose Optimization. - Robert G. Turcott; Hersh Sagreiya; Euan A. Ashley; Russ B. Altman; Amar K. Das (AMIA, 2009)

Unsupervised Method for Extracting Machine Understandable Medical Knowledge from a Large Free Text Collection. - Rong Xu; Amar K. Das; Alan M. Garber (AMIA, 2009)

Investigation of Unsupervised Pattern Learning Techniques for Bootstrap Construction of a Medical Treatment Lexicon. - Rong Xu; Alexander A. Morgan; Amar K. Das; Alan M. Garber (BioNLP@HLT-NAACL, 2009)

Ontology driven data integration for autism research. - Lynn Young; Samson W. Tu; Lakshika Tennakoon; David Vismer; Vadim Astakhov; Amarnath Gupta; Jeffrey S. Grethe; Maryann E. Martone; Amar K. Das; Matthew J. McAuliffe (CBMS, 2009)

Exploration of SWRL Rule Bases through Visualization, Paraphrasing, and Categorization of Rules. - Saeed Hassanpour; Martin J. O'Connor; Amar K. Das (RuleML, 2009)

A Rule Management and Elicitation Tool for SWRL Rule Bases. - Saeed Hassanpour; Martin J. O'Connor; Amar K. Das (RuleML Challenge, 2009)

Axiomé: A Tool for the Elicitation and Management of SWRL Rules. - Saeed Hassanpour; Martin J. O'Connor; Amar K. Das (OWLED, 2009)

SQWRL: A Query Language for OWL. - Martin J. O'Connor; Amar K. Das (OWLED, 2009)

Knowledge-data integration for temporal reasoning in a clinical trial system. - Martin J. O'Connor; Ravi D. Shankar; David B. Parrish; Amar K. Das (Int. J. Medical Informatics, 2009)

A Lightweight Model for Representing and Reasoning with Temporal Information in Biomedical Ontologies. - Martin J. O'Connor; Amar K. Das (HEALTHINF, 2010)

A Method for Representing and Querying Temporal Information in OWL. - Martin J. O'Connor; Amar K. Das (BIOSTEC (Selected Papers), 2010)

A Software Tool for Visualizing, Managing and Eliciting SWRL Rules. - Saeed Hassanpour; Martin J. O'Connor; Amar K. Das (ESWC (2), 2010)

Semantic Reasoning with XML-based Biomedical Information Models. - Martin J. O'Connor; Amar K. Das (MedInfo, 2010)

Visualizing Logical Dependencies in SWRL Rule Bases. - Saeed Hassanpour; Martin J. O'Connor; Amar K. Das (RuleML, 2010)

A Rule-Based Method for Specifying and Querying Temporal Abstractions. - Martin J. O'Connor; Genaro Hernández; Amar K. Das (AIME, 2011)

Web-Based Querying and Temporal Visualization of Longitudinal Clinical Data. - Amanda Richards; Martin J. O'Connor; Susana B. Martins; Michael Uehara-Bingen; Samson W. Tu; Amar K. Das (AIME, 2011)

Ontology based Text Mining of Concept Definitions in Biomedical Literature. - Saeed Hassanpour; Amar K. Das (CSWS, 2011)

Comparison of Semantic Similarity Measures for Application Specific Ontology Pruning. - Wei-Nchih Lee; Will Bridewell; Amar K. Das (HISB, 2011)

An intelligent interface for rule elicitation. - Saeed Hassanpour; Amar K. Das (K-CAP, 2011)

Acquiring OWL ontologies from XML documents. - Martin J. O'Connor; Amar K. Das (K-CAP, 2011)

A Framework for the Automatic Extraction of Rules from Online Text. - Saeed Hassanpour; Martin J. O'Connor; Amar K. Das (RuleML Europe, 2011)

SWEETInfo: a Web-Based System for Visualizing and Querying Temporal Data. - Martin J. O'Connor; Amanda Richards; Susana B. Martins; Mike Bingen; Samson W. Tu; Amar K. Das (RuleML America (2), 2011)

Web-based Exploration of Temporal Data in Biomedicine. - Martin J. O'Connor; Mike Bingen; Amanda Richards; Samson W. Tu; Amar K. Das (WEBIST, 2011)

Oncoshare: Lessons learned from building an integrated multi-institutional database for comparative effectiveness research. - Susan C. Weber; Tina Seto; Cliff Olson; Pragati Kenkare; Allison W. Kurian; Amar K. Das (AMIA, 2012)

SWRL Rule Editor - A Web Application as Rich as Desktop Business Rule Editors. - João Paulo Orlando; Adriano Rivolli; Saeed Hassanpour; Martin J. O'Connor; Amar K. Das; Dilvan A. Moreira (ICEIS (2), 2012)

A Pair of OWL 2 RL Reasoners. - Martin J. O'Connor; Amar K. Das (OWLED, 2012)

A simple heuristic for blindfolded record linkage. - Susan C. Weber; Henry J. Lowe; Amar K. Das; Todd A. Ferris (J. Am. Medical Informatics Assoc., 2012)

InSPIRE: A Web-Based Platform for Tracking and Evaluating Clinical and Translational Research Services. - Brian G. Levin; Steven B. Andrews; Amar K. Das (AMIA, 2013)

A semantic-based method for extracting concept definitions from scientific publications: evaluation in the autism phenotype domain. - Saeed Hassanpour; Martin J. O'Connor; Amar K. Das (J. Biomed. Semant., 2013)

InSPIRE System: An Activity-Based Platform for Managing and Monitoring Biomedical Research. - Amar K. Das; Suzanne Thompson; Brian G. Levin; Steven B. Andrews (ICHI, 2014)

Clustering rule bases using ontology-based similarity measures. - Saeed Hassanpour; Martin J. O'Connor; Amar K. Das (J. Web Semant., 2014)

Identifying Chemotherapy Regimens in Electronic Health Record Data Using Interval-Encoded Sequence Alignment. - Haider Syed; Amar K. Das (AIME, 2015)

An Associative Memory Model for Integration of Fragmented Research Data and Identification of Treatment Correlations in Breast Cancer Care. - Ashis Gopal Banerjee; Mridul Khan; John H. Higgins; Annarita Giani; Amar K. Das (AMIA, 2015)

Temporal Needleman-Wunsch. - Haider Syed; Amar K. Das (DSAA, 2015)

Discovering and Validating Breast Cancer Treatment Correlations Using an Associative Memory Model and Statistical Methods. - Ashis Gopal Banerjee; Mridul Khan; John H. Higgins; Amar K. Das (ICHI, 2015)

Vector Space Models for Encoding and Retrieving Longitudinal Medical Record Data. - Haider Syed; Amar K. Das (Big-O(Q)/DMAH@VLDB, 2015)

What Happens When?: Interpreting Schedule of Activity Tables in Clinical Trial Documents. - Murtaza Dhuliawala; Nicholas Fay; Daniel M. Gruen; Amar K. Das (BCB, 2018)

Analysis of Cognitive Workflows in Primary Care Chart Review. - Morgan Foreman; Yoonyoung Park; Jeff L. Sokolov; Sarah Miller; Paul C. Tang; Amar K. Das (AMIA, 2019)

Ontology-enabled Analysis of Study Populations. - Shruthi Chari; Miao Qi; Nkechinyere N. Agu; Oshani Seneviratne; Jamie P. McCusker; Kristin P. Bennett; Amar K. Das; Deborah L. McGuinness (ISWC (Satellites), 2019)

Making Study Populations Visible Through Knowledge Graphs. - Shruthi Chari; Miao Qi; Nkechinyere N. Agu; Oshani Seneviratne; Jamie P. McCusker; Kristin P. Bennett; Amar K. Das; Deborah L. McGuinness (ISWC (2), 2019)

Enabling Trust in Clinical Decision Support Recommendations through Semantics. - Oshani Seneviratne; Amar K. Das; Shruthi Chari; Nkechinyere N. Agu; Sabbir M. Rashid; Ching-Hua Chen; Jamie P. McCusker; James A. Hendler; Deborah L. McGuinness (SeWeBMeDa@ISWC, 2019)

Knowledge Extraction of Cohort Characteristics in Research Publications. - Jay D. S. Franklin; Shruthi Chari; Morgan Foreman; Oshani Seneviratne; Daniel M. Gruen; Jamie P. McCusker; Amar K. Das; Deborah L. McGuinness (AMIA, 2020)

Estimating Time Demand for Physicians in a Direct Primary Care Setting. - Yoonyoung Park; Issa Sylla; Sasha Ballen; Amar K. Das (AMIA, 2020)

Visualizing Inequities in Clinical Trials using ML Fairness Metrics. - Miao Qi; Owen Cahan; Morgan Foreman; Daniel M. Gruen; Amar K. Das; Kristin P. Bennett (AMIA, 2020)

A Visual Analytics Tool for Understanding Provider Networks. - Issa Sylla; Yoonyoung Park; Sasha Ballen; Amar K. Das (AMIA, 2020)

Explanation Ontology: A Model of Explanations for User-Centered AI. - Shruthi Chari; Oshani Seneviratne; Daniel M. Gruen; Morgan A. Foreman; Amar K. Das; Deborah L. McGuinness (ISWC (2), 2020)

Explanation Ontology in Action: A Clinical Use-Case. - Shruthi Chari; Oshani Seneviratne; Daniel M. Gruen; Morgan A. Foreman; Amar K. Das; Deborah L. McGuinness (ISWC (Demos/Industry), 2020)

The Semantic Data Dictionary - An Approach for Describing and Annotating Data. - Sabbir M. Rashid; James P. McCusker; Paulo Pinheiro 001; Marcello Peixoto Bax; Henrique Santos 002; Jeanette A. Stingone; Amar K. Das; Deborah L. McGuinness (Data Intell., 2020)

Planning Equitable Clinical Trial Enrollment using Integer Programming. - Miao Qi; Amar K. Das; Kristin P. Bennett (AMIA, 2021)

Planning and Monitoring Equitable Clinical Trial Enrollment Using Goal Programming. - Miao Qi; Amar K. Das; Kristin P. Bennett (IEEE J. Biomed. Health Informatics, 2023)

Semantically enabling clinical decision support recommendations. - Oshani Seneviratne; Amar K. Das; Shruthi Chari; Nkechinyere N. Agu; Sabbir M. Rashid; Jamie P. McCusker; Jade S. Franklin; Miao Qi; Kristin P. Bennett; Ching-Hua Chen; James A. Hendler; Deborah L. McGuinness (J. Biomed. Semant., 2023)