Yehoshua Perl
Professor, Computer Science
- yehoshua.perl@njit.edu
- 973-596-3392
- Guttenberg Information Technologies Center (GITC)
Education
Ph.D.; The Weizmann Institute of Science; 1975
M.S.; The Weizmann Institute of Science; 1971
B.S.; Bar-Ilan University; 1969
2026 Fall Courses
CS 700B - MASTER'S PROJECT
CS 726 - INDEPENDENT STUDY II
CS 792 - PRE-DOCTORAL RESEARCH
CS 725 - INDEPENDENT STUDY I
CS 701B - MASTER'S THESIS
CS 790A - DOCT DISSERTATION & RES
CS 488 - INDEPENDENT STUDY IN CS
CS 489 - COMPUTER SCIENCE RESEARCH PROJ
Past Courses
CS 435: ADV DATA STRUCT-ALG DES
CS 610: DATA STRUCTURE & ALG
CS 698: ST:DEEP WEB & MEDICAL TERMINOLG
CS 786: ST:DEEP WEB
Conference Paper
"Skimming of Electronic Health Records Highlighted by an Interface Terminology Curated with Machine Learning Mining"
17th International Conference on Health Informatics—HEALTHINF, January (1st Quarter/Winter), 2024.
17th International Conference on Health Informatics—HEALTHINF, January (1st Quarter/Winter), 2024.
"Using annotation for computerized support for fast skimming of cardiology electronic health record notes"
IEEE, December, 2023.
IEEE, December, 2023.
Journal Article
Ling Zheng, Yehoshua Perl, Yongqun He. 2023. "Big knowledge visualization of the COVID-19 CIDO ontology evolution." BMC Medical Informatics and Decision Making, vol. 23, pp. 1-18.
V K Keloth, S Zhou, L Lindemann, L Zheng, G Elhanan, A J Einstein, James Geller, Yehoshua Perl. 2023. "Mining of EHR for interface terminology concepts for annotating EHRs of COVID patients.." BMC medical informatics and decision making, vol. 23, no. Suppl 1, pp. 1-18.
Michael H. Halper, Larisa Soldatova Soldatova, Matthias Brochhausen, Fatima S. Maikore, Christopher Ochs, Yehoshua Perl. 2023. "Guidelines for the Reuse of Ontology Content." Applied Ontology, vol. 18, no. 1, pp. 5-29.
Cong Liu, Junghwan Lee, Casey Ta, Ali Soroush, James R Rogers, Jae Hyun Kim, Karthik Natarajan, Jason Zucker, Yehoshua Perl, Chunhua Weng. 2022. "Risk Factors Associated With SARS-CoV-2 Breakthrough Infections in Fully mRNA-Vaccinated Individuals: Retrospective Analysis." JMIR Health and surveillance, vol. 8, no. 5:e35311.
Ling Zheng, Yehoshua Perl, Yongqun He, Christopher Ochs, James Geller, Hao Liu, Vipina K Keloth. 2021. "Visual Comprehension and Orientation into the COVID-19 CIDO Ontology. Journal of Biomedical Informatics." Journal of Biomedical Informatics, vol. 120, no. C.
Ling Zheng, Yan Chen, Hua Min, P Lloyd Hildebrand, Hao Liu, Michael H. Halper, James Geller, Sherri deCoronado, Yehoshua Perl. 2020. "Missing lateral relationships in top-level concepts of an ontology." BMC Medical Informatics and Decision Making, vol. 20, no. 305.
Ling Zheng, Hua Min, Yan Chen, Vipina K Keloth, James Geller, Yehoshua Perl, George Hripcsak. 2020. "Outlier concepts auditing methodology for a large family of biomedical ontologies." BMC Medical Informatics and Decision Making, vol. 20, no. 296.
Hao Liu, Yehoshua Perl, James Geller. 2020. "Concept placement using BERT trained by transforming and summarizing biomedical ontology structure." Journal of Biomedical Informatics, vol. 112.
Ling Zheng, Zhe He, Duo Wei, Vipina Keloth, Jung-Wei Fan, Luke Lindermann, Xinxin Zhu, James J Cimino, Yehoshua Perl. 2020. "A review of auditing techniques for the Unified Medical Language System." Journal of the American Medical Informatics Association, vol. 27, no. 10, pp. 1625-1638.
Hasan Yumak, Ling Zheng, Ling Chen, Michael H. Halper, Yehoshua Perl, Gareth Owen. 2019. "Quality assurance of complex ChEBI concepts based on number of relationship types." Applied Ontology/IOSpress, vol. 14, no. 3, pp. 199-214.
James Geller, Yehoshua Perl, Licong Cui, Guo-Qiang Zhang. 2018. "Quality assurance of biomedical terminologies and ontologies." Journal of Biomedical Informatics, vol. 86, pp. 106-108.
Ling Zheng, Yan Chen, Gai Elhanan, Yehoshua Perl, James Geller, Christopher Ochs. 2018. "Complex overlapping concepts: An effective auditing methodology for families of similarly structured BioPortal ontologies." Journal of Biomedical Informatics, vol. 83, pp. 135-149.
Ling Zheng, Hua Min, Yan Chen, Julia Xu, James Geller, Yehoshua Perl. 2017. "Auditing National Cancer Institute thesaurus neoplasm concepts in groups of high error concentration." Applied Ontology, vol. 12, pp. 113-130.
Michael H. Halper, Yehoshua Perl, Christopher Ochs, Ling Zheng. 2017. "Taxonomy-based approaches to quality assurance of ontologies." Journal of Healthcare Engineering, vol. 2017, pp. 11.
Ling Zheng, Hasan Yumak, Ling Chen, Christopher Ochs, James Geller, Joan Kapusnik-Uner, Yehoshua Perl. 2017. "Quality assurance of chemical ingredient classification for the National Drug File–Reference Terminology." Journal of Biomedical Informatics, vol. 73, pp. 30-42.
Gai Elhanan, Christopher Ochs, Jose Mejino, Hao Liu, Christopher Mungall, Yehoshua Perl. 2017. "From SNOMED CT to Uberon: Transferability of evaluation methodology between similarly structured ontologies." Artificial Intelligence in Medicine, vol. 79, pp. 9-14.
Christopher Ochs, Yehoshua Perl, James Geller, Sivaram Arabandi, Tania Tudorache, Mark Musen. 2017. "An empirical analysis of ontology reuse in BioPortal." Journal of Biomedical Informatics, vol. 71, pp. 165-177.
Hua Min, Ling Zheng, Yehoshua Perl, Michael H. Halper, Sherri de Coronado, Christopher Ochs. 2017. "Relating complexity and error rates of ontology concepts: more complex NCIt concepts have more errors." Methods of Information in Medicine, vol. 56, no. 3.
Christopher Ochs, James T Case, Yehoshua Perl. 2017. " Analyzing structural changes in SNOMED CTs Bacterial infectious diseases using a visual semantic delta." Journal of Biomedical Informatics, vol. 67, no. C, pp. 101-116.
Yehoshua Perl, James Geller, Michael H. Halper, Christopher Ochs, Ling Zheng, Joan Kapusnik-Uner. 2017. "Introducing the Big Knowledge to Use (BK2U) challenge." Annals of the New York Academy of Sciences, vol. 1387, pp. 12-24.
Christopher Ochs, James Geller, Yehoshua Perl, Mark Musen. 2016. "A Unified Software Framework for Deriving, Visualizing, and Exploring Abstraction Networks for Ontologies." Journal of Biomedical Informatics, vol. 62, pp. 90-105.
Christopher Ochs, Yehoshua Perl, Michael H. Halper, James Geller, Janet Lomax. 2016. "Quality assurance of the Gene Ontology using Abstraction Networks." Journal of Bioinformatics and Computational Biology, vol. 14, no. 3.
Christopher Ochs, Zhe He, Ling Zheng, James Geller, Yehoshua Perl, George Hripcsak, Mark Musen. 2016. "Utilizing a structural meta-ontology for family-based quality assurance of the BioPortal ontologies." Journal of Biomedical Informatics , vol. 61, pp. 63-76.
Ankur Agrawal, Yehoshua Perl, Christopher Ochs, Gai Elhanan. 2016. "A contextual auditing method for SNOMED CT concepts." International Journal of Data Mining and Bioinformatics, vol. 15, pp. 372-391.
Duo Wei, Huanying Gu, Yehoshua Perl, Michael H. Halper, Christopher Ochs, Gai Elhanan, Yan Chen. 2015. "Structural measures to track the evolution of SNOMED CT hierarchies." Journal of Biomedical Informatics, vol. 57, pp. 278-287.
Christopher Ochs, Yehoshua Perl, James Geller, Melissa Haendel, Matthew Brush, Sivaram Arabandi, Samson Tu. 2015. "Summarizing and visualizing structural changes during the evolution of biomedical ontologies using a Diff Abstraction Network." J Biomedical Informatics, vol. 56, pp. 127-144.
Duo Wei, Huanying Gu, Yehoshua Perl, Michael H. Halper, Christopher Ochs, Guy Elhanan, Yan Chen. 2015. "Structural measures to track the evolution of SNOMED CT hierarchies." J Biomed Informatics, vol. doi: 10.1016/j.jbi.2015.08.001. [Epub ahead of print].
Christopher Ochs, James Geller, Yehoshua Perl, Yan Chen, Ankur Agrawal, James T Case, George Hripcsak. 2015. "A tribal abstraction network for SNOMED CT target hierarchies without attribute relationships.." J American Medical Informatics Association, vol. 22, no. 3, pp. 628-639.
Michael H. Halper, Huanying Gu, Yehoshua Perl, Christopher Ochs. 2015. "Abstraction networks for terminologies: Supporting management of big knowledge." Artificial Intelligence in Medicine, vol. 64, no. 1, pp. 1-16.
Christopher Ochs, James Geller, Yehoshua Perl, Yan Chen, Julia Xu, Hua Min, James T Case, Zhi Wei. 2015. "Scalable quality assurance for large SNOMED CT hierarchies using subject-based subtaxonomies." J American Medical Informatics Association, vol. 22, no. 3, pp. 507-518.
Zhe He, Paul Morrey, Yehoshua Perl, Gai Elhanan, Ling Chen, Yan Chen, James Geller. 2014. "Sculpting the UMLS Refined Semantic Network." Online J Public Health Inform, vol. 6, no. 2.
Ankur Agrawal, Zhe He, Yehoshua Perl, Duo Wei, Michael H. Halper, Gai Elhanan, Yan Chen. 2013. "The readiness of SNOMED problem list concepts for meaningful use of electronic health records.." Artificial Intelligence in Medicine, vol. 58, no. 2, pp. 73-80.
James Geller, Zhe He, Yehoshua Perl, Paul Morrey, Julia Xu. 2013. "Rule-based support system for multiple UMLS semantic type assignments." Journal of Biomedical Informatics, vol. 46, no. 1, pp. 97-110.
Huanying Gu, Gai Elhanan, Yehoshua Perl, George Hripcsak, James J Cimino, Julia Xu, Yan Chen, James Geller, Paul Morrey. 2012. "A study of terminology auditors' performance for UMLS semantic type assignments." Journal of Biomedical Informatics, vol. 45, no. 6, pp. 1042-1048.
C. P. Morrey, Yehoshua Perl, Michael H. Halper, Ling Chen, Huanying Gu. 2012. "A chemical specialty semantic network for the Unified Medical Language System." Journal of Cheminformatics, vol. 4:9.
Yue Wang, Michael H. Halper, Duo Wei, Yehoshua Perl, James Geller. 2012. "Abstraction of complex concepts with a refined partial-area taxonomy of SNOMED." Journal of Biomedical Informatics, vol. 45, no. 1, pp. 15-29.
Yue Wang, Michael H. Halper, Duo Wei, Yehoshua Perl, James Geller. 2012. "Abstraction of complex concepts with a refined partial-area taxonomy of SNOMED." Journal of Biomedical Informatics, vol. 45, no. 1, pp. 15-29.
Yan Chen, Huanying Gu, Yehoshua Perl, James Geller. 2012. "Overcoming an obstacle in expanding a UMLS semantic type extent." Journal of Biomedical Informatics, vol. 45, no. 1, pp. 61-70.
Christopher Ochs, James Geller, Yehoshua Perl. 2011. "A Relationship-Centric Hybrid Interface for Browsing and Auditing the UMLS." Transactions of the Society for Design and Process Scienc, vol. 15, no. 4, pp. 3-25.
Gai Elhanan, Yehoshua Perl, James Geller. 2011. "A survey of SNOMED CT direct users, 2010: impressions and preferences regarding content and quality." Journal of the American Medical Informatics Association, vol. 18, no. Suppl 1, pp. i36-44.
Kuo-chuan Huang, James Geller, Michael H. Halper, Gai Elhanan, Yehoshua Perl. 2011. "Scalability of piecewise synonym identification in integration of SNOMED into the UMLS." International Journal of Computational Models and Algorithms in Medicine, vol. 2, no. 3, pp. 26-45.
C P Morrey, Ling Chen, Michael H. Halper, Yehoshua Perl. 2011. "Resolution of redundant semantic type assignments for organic chemicals in the UMLS." Artificial Intelligence in Medicine, vol. 52, no. 3, pp. 141-151.
Gai Elhanan, Kuo-Chuan Huang, Yehoshua Perl. 2010. "Source authenticity in the UMLS - A case study of the Minimal Standard Terminology." Journal of Biomedical Informatics, vol. 43, no. 6, pp. 988-997.
Yan Chen, Huanying Gu, Yehoshua Perl, Michael Halper, Julia Xu. 2009. "Expanding the extent of a UMLS semantic type via group neighborhood auditing." J Am Med Inform Assoc, vol. 16, no. 5, pp. 746-757.
James Geller, Yehoshua Perl, Michael Halper, Ronald Cornet. 2009. "Guest Editorial: Special Issue on Auditing of Terminologies." Journal of Biomedical Informatics/Elsevier, vol. 42, no. 3, pp. 407-411 (Special Issue: 407-580).
Yan Chen, Huanying Gu, Yehoshua Perl, James Geller. 2009. "Structural group- based auditing of missing hierarchical relationships in UMLS." Journal of Biomedical Informatics/Elsevier, vol. 42, no. 3, pp. 452-467.
Charles Paul Morrey, James Geller, Michael Halper, Yehoshua Perl. 2009. "The Neighborhood Auditing Tool: A hybrid interface for auditing the UMLS." Journal of Biomedical Informatics/Elsevier, vol. 42, no. 3, pp. 468-489.
Kuo-Chuan Huang, James Geller, Michael Halper, Yehoshua Perl, Junchuan Xu. 2009. "Using WordNet synonym substitution to enhance UMLS source integration." Artificial Intelligence in Medicine/Elsevier, vol. 46, no. 2, pp. 97-109.
Yan Chen, Huanying Gu, Yehoshua Perl, James Geller, Michael Halper. 2009. "Structural group auditing of a UMLS semantic type's extent." Journal of Biomedical Informatics/Elsevier, vol. 42, no. 1, pp. 41-52.
Ling Chen, Charles Paul Morrey, Huanying Gu, Michael Halper, Yehoshua Perl. 2009. "Modeling multi-typed structurally viewed chemicals with the UMLS Refined Semantic Network." J Am Med Inform Assoc., vol. 16, no. 1, pp. 116-131.
Barry Cohen, Mark Oren, Hua Min, Yehoshua Perl, Michael Halper. 2008. "Automated comparative auditing of NCIT genomic roles using NCBI." Journal of Biomedical Informatics, vol. 41, no. 6, pp. 904-913.
Hua Min, Barry Cohen, Michael Halper, Mark Oren, Yehoshua Perl. 2008. "Detecting Role Errors in the Gene Hierarchy of the NCI Thesaurus." Cancer Inform., vol. 6, pp. 293-313.
James Geller, Yehoshua Perl, Jintae Lee. 2004. "Ontology challenges: A thumbnail historical perspective." Knowledge and Information Systems, vol. 6, no. 4, pp. 375.
Huanying Gu, Yehoshua Perl, Michael H. Halper, James Geller, Erich J. Neuhold. 2004. "Contextual partitioning for comprehension of OODB schemas." Knowledge and Information Systems, vol. 6, no. 3, pp. 315-344.
Yehoshua Perl, James Geller. 2003. "Unified Medical Language System." Journal of Biomedical Informatics, vol. 36, no. 6.
Conference Proceeding
"Generating Training Data for Concept-Mining for an ‘Interface Terminology’ Annotating Cardiology EHRs"
IEEE International Conference on Bioinformatics and Biomedicine (BIBM), December, 2020.
IEEE International Conference on Bioinformatics and Biomedicine (BIBM), December, 2020.
"Mining Concepts for a COVID Interface Terminology for Annotation of EHRs"
IEEE International Conference on Big Data (Big Data), December, 2020.
IEEE International Conference on Big Data (Big Data), December, 2020.
"Transfer Learning from BERT to Support Insertion of New Concepts into SNOMED CT"
AMIA ... Annual Symposium proceedings, 2019.
AMIA ... Annual Symposium proceedings, 2019.
"Training a Convolutional Neural Network with Terminology Summarization Data Improves SNOMED CT Enrichment"
AMIA Annual Symposium, November, 2019.
AMIA Annual Symposium, November, 2019.
"Enrichment of SNOMED CT Ophthalmology component to support EHR coding"
BIBM, December, 2018.
BIBM, December, 2018.
"Quality assurance of concept roles in the National Cancer Institute thesaurus"
Proceedings of the BIBM'18 1st Int'l Workshop on Quality Assurance of Biological and Biomedical Ontologies and Terminologies, December, 2018.
Proceedings of the BIBM'18 1st Int'l Workshop on Quality Assurance of Biological and Biomedical Ontologies and Terminologies, December, 2018.
"Overlapping complex concepts have more commission errors, especially in intensive terminology auditing"
AMIA, November, 2018.
AMIA, November, 2018.
"Using convolutional neural networks to support insertion of new concepts into SNOMED CT"
Proceedings of the 2018 AMIA Annual Symposium, November, 2018.
Proceedings of the 2018 AMIA Annual Symposium, November, 2018.
"Quality Assurance of Ontology Content Reuse"
8th International Conference on Biomedical Ontology (ICBO 2018), August, 2018.
8th International Conference on Biomedical Ontology (ICBO 2018), August, 2018.
"Can a convolutional neural network support auditing of NCI Thesaurus Neoplasm Concepts?"
8th International Conference on Biomedical Ontology (ICBO BioCreative 2018), July (3rd Quarter/Summer), 2018.
8th International Conference on Biomedical Ontology (ICBO BioCreative 2018), July (3rd Quarter/Summer), 2018.
"Quality Assurance Methodology for ChEBI Ontology Focusing on Uncommonly Modeled Concepts"
8th International Conference on Biomedical Ontology (ICBO BioCreative 2018), July (3rd Quarter/Summer), 2018.
8th International Conference on Biomedical Ontology (ICBO BioCreative 2018), July (3rd Quarter/Summer), 2018.
"Correcting ontology errors simplifies visual complexity"
Studies in Health Technology Information, 2017.
Studies in Health Technology Information, 2017.
"Auditing the assignments of top-level semantic types in the UMLS semantic network to UMLS concepts"
IEEE BIBM 2017, November, 2017.
IEEE BIBM 2017, November, 2017.
"Discovering additional complex NCIt gene concepts with high error rate"
IEEE BIBM 2017, November, 2017.
IEEE BIBM 2017, November, 2017.
"System Demonstration: Applications of the Ontology Abstraction Framework"
American Medical Informatics Association Annual Symposium, November, 2017.
American Medical Informatics Association Annual Symposium, November, 2017.
"Real time summarization and visualization of ontology change in Protege"
VOILA 2017: Visualization and Interaction of Ontologies and Linked Data, October (4th Quarter/Autumn), 2017.
VOILA 2017: Visualization and Interaction of Ontologies and Linked Data, October (4th Quarter/Autumn), 2017.
"Summarizing an ontology: a "big knowledge" coverage approach"
MedInfo, August, 2017.
MedInfo, August, 2017.
"Multi-layer Big Knowledge Visualization Scheme for Comprehending Neoplasm Ontology Content"
IEEE International Conference on Big Knowledge (ICBK), August, 2017.
IEEE International Conference on Big Knowledge (ICBK), August, 2017.
"A Descriptive Delta for Identifying Changes in SNOMED CT"
International Conference on Biomedical Ontology and BioCreative (ICBO BioCreative 2016), August, 2016.
International Conference on Biomedical Ontology and BioCreative (ICBO BioCreative 2016), August, 2016.
"A Quality-Assurance Study of ChEBI"
International Conference on Biomedical Ontology and BioCreative (ICBO BioCreative 2016), August, 2016.
International Conference on Biomedical Ontology and BioCreative (ICBO BioCreative 2016), August, 2016.
"Visualizing the Big Picture of Change in NCIt's Biological Processes"
International Conference on Biomedical Ontology and BioCreative (ICBO BioCreative 2016), August, 2016.
International Conference on Biomedical Ontology and BioCreative (ICBO BioCreative 2016), August, 2016.
"The Big Knowledge to Use (BK2U) Challenge"
Data Science, Learning, and Applications to Biomedical and Health Sciences, January (1st Quarter/Winter), 2016.
Data Science, Learning, and Applications to Biomedical and Health Sciences, January (1st Quarter/Winter), 2016.
"Algorithmic detection of inconsistent modeling among SNOMED CT concepts by combining lexical and structural indicators"
IEEE Int. Conference on BioInformatics and BioMedicine (BIBM) , November, 2015.
IEEE Int. Conference on BioInformatics and BioMedicine (BIBM) , November, 2015.
"Drug-drug Interaction Discovery Using Abstraction Networks for National Drug File - Reference Terminology"
Proceedings of the Annual Symposium of the American Medical Informatics Association (AMIA), November, 2015.
Proceedings of the Annual Symposium of the American Medical Informatics Association (AMIA), November, 2015.
"Using Aggregate Taxonomies to Summarize SNOMED CT Evolution"
Biomedical & Health Informatics (BHI) Workshop at BIBM, November, 2015.
Biomedical & Health Informatics (BHI) Workshop at BIBM, November, 2015.
"Gene Ontology Summarization to Support Visualization and Quality Assurance"
BICoB 6th international conference on Bioinformatics and Computational Biology, March, 2015.
BICoB 6th international conference on Bioinformatics and Computational Biology, March, 2015.
"A family-based framework for supporting quality assurance of biomedical ontologies in BioPortal"
American Medical Informatics Association (AMIA) Annual Symposium, November, 2013.
American Medical Informatics Association (AMIA) Annual Symposium, November, 2013.
"Identifying inconsistencies in SNOMED CT problem lists using structural indicators"
American Medical Informatics Association (AMIA) Annual Symposium, November, 2013.
American Medical Informatics Association (AMIA) Annual Symposium, November, 2013.
"Scalability of abstraction-network-based quality assurance to large SNOMED hierarchies"
American Medical Informatics Association (AMIA) Annual Symposium, November, 2013.
American Medical Informatics Association (AMIA) Annual Symposium, November, 2013.
"Identifying Problematic Concepts in SNOMED CT using a Lexical Approach"
Stud Health Technol Inform.: MEDINFO 2013, August, 2013.
Stud Health Technol Inform.: MEDINFO 2013, August, 2013.
"Auditing Redundant Import in Reuse of a Top Level Ontology for the Drug Discovery Investigations Ontology"
Workshop on Vaccine and Drug Ontology Studies (VDOS 2013) collocated with Semantic Trilogy 2013, July (3rd Quarter/Summer), 2013.
Workshop on Vaccine and Drug Ontology Studies (VDOS 2013) collocated with Semantic Trilogy 2013, July (3rd Quarter/Summer), 2013.
"BLUSNO: A System for Orientation, Visualization, and Quality Assurance of SNOMED CT Using Abstraction Networks"
4th International Conference on Biomedical Ontology ICBO 2013, July (3rd Quarter/Summer), 2013.
4th International Conference on Biomedical Ontology ICBO 2013, July (3rd Quarter/Summer), 2013.
"Choosing the Granularity of Abstraction Networks for Orientation and Quality Assurance of the Sleep Domain Ontology"
4th International Conference on Biomedical Ontology ICBO 2013, July (3rd Quarter/Summer), 2013.
4th International Conference on Biomedical Ontology ICBO 2013, July (3rd Quarter/Summer), 2013.
"Identifying Inconsistencies in SNOMED-CT Problem Lists using Structural Indicators"
American Medical Informatics Association Annual Symposium.
American Medical Informatics Association Annual Symposium.
"Deriving an Abstraction Network to Support Quality Assurance in OCRe"
Proceedings of the American Medical Informatics Association (AMIA) Annual Meeting, November, 2012.
Proceedings of the American Medical Informatics Association (AMIA) Annual Meeting, November, 2012.
"New Abstraction Networks and a New Visualization Tool in Support of Auditing the SNOMED CT Content"
Proceedings of the American Medical Informatics Association (AMIA) Annual Meeting, November, 2012.
Proceedings of the American Medical Informatics Association (AMIA) Annual Meeting, November, 2012.
"Using Gamification and Crowdsourcing to Enhance Terminology Auditing"
Proceedings of the American Medical Informatics Association (AMIA) Annual Meeting, November, 2012.
Proceedings of the American Medical Informatics Association (AMIA) Annual Meeting, November, 2012.
"Clinical clarity versus terminological order -- the readiness of SNOMED CT concept descriptors for primary care"
Proceedings of the 2nd International Workshop on Managing Interoperability and Complexity in Health Systems (MIXHS'12), October (4th Quarter/Autumn), 2012.
Proceedings of the 2nd International Workshop on Managing Interoperability and Complexity in Health Systems (MIXHS'12), October (4th Quarter/Autumn), 2012.
"Auditing hierarchical cycles to locate other inconsistencies in the UMLS"
AMIA Annual Symposium Proceedings, October (4th Quarter/Autumn), 2011.
AMIA Annual Symposium Proceedings, October (4th Quarter/Autumn), 2011.
"A Survey of Direct Users and Uses of SNOMED CT: 2010 Status"
American Medical Informatics Association Annu Symp Proc, November, 2010.
American Medical Informatics Association Annu Symp Proc, November, 2010.
"Auditing SNOMED Integration into the UMLS for Duplicate Concepts"
American Medical Informatics Association Annu Symp Proc, November, 2010.
American Medical Informatics Association Annu Symp Proc, November, 2010.
"Auditing SNOMED Relationships Using a Converse Abstraction Network"
Proceedings of the American Medical Informatics Association, Omnipress, November, 2009.
Proceedings of the American Medical Informatics Association, Omnipress, November, 2009.
"Comparing Inconsistent Relationship Configurations Indicating UMLS Errors"
Proceedings of the American Medical Informatics Association, Omnipress, November, 2009.
Proceedings of the American Medical Informatics Association, Omnipress, November, 2009.
"Semantic Visualization of UMLS Chemical Intersection Types"
Proceedings of the American Medical Informatics Association, Omnipress, November, 2009.
Proceedings of the American Medical Informatics Association, Omnipress, November, 2009.
"Auditing complex concepts in overlapping subsets of SNOMED"
Proceedings of the American Medical Informatics Association, Omnipress, November, 2008.
Proceedings of the American Medical Informatics Association, Omnipress, November, 2008.
"Complexity measures to track the evolution of a SNOMED hierarchy"
Proceedings of the American Medical Informatics Association, Omnipress, November, 2008.
Proceedings of the American Medical Informatics Association, Omnipress, November, 2008.
Other
"Tribal abstraction network"
US20170039295A1, 2017.
US20170039295A1, 2017.
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US9286381B2, 2016.
US9286381B2, 2016.
"How to Summarize Big Knowledge Subjects"
International Conference on Biological Ontology & BioCreative, August, 2016.
International Conference on Biological Ontology & BioCreative, August, 2016.
"Neighborhood auditing tool and user interface"
US8788974, July (3rd Quarter/Summer), 2014.
US8788974, July (3rd Quarter/Summer), 2014.
"Intersection ontologies for organizing data"
US7636702, December, 2009.
US7636702, December, 2009.