Google Knows Who is Famous Today - Building an Ontology from Search Engine Knowledge and DBpedia. - Christopher Ochs; Tian Tian 002; James Geller; Soon Ae Chun (ICSC, 2011)

A Relationship-Centric Hybrid Interface for Browsing and Auditing the UMLS. - Christopher Ochs; James Geller; Yehoshua Perl (Trans. SDPS, 2011)

New Abstraction Networks and a New Visualization Tool in Support of Auditing the SNOMED CT Content. - James Geller; Christopher Ochs; Yehoshua Perl; Junchuan Xu (AMIA, 2012)

Deriving an Abstraction Network to Support Quality Assurance in OCRe. - Christopher Ochs; Ankur Agrawal; Yehoshua Perl; Michael Halper; Samson W. Tu; Simona Carini; Ida Sim; Natalya Fridman Noy; Mark A. Musen; James Geller (AMIA, 2012)

A Family-Based Framework for Supporting Quality Assurance of Biomedical Ontologies in BioPortal. - Zhe He 001; Christopher Ochs; Ankur Agrawal; Yehoshua Perl; Dimitris Zeginis; Konstantinos A. Tarabanis; Gai Elhanan; Michael Halper; Natasha F. Noy; James Geller (AMIA, 2013)

Scalability of Abstraction-Network-Based Quality Assurance to Large SNOMED Hierarchies. - Christopher Ochs; Yehoshua Perl; James Geller; Michael Halper; Huanying Helen Gu; Yan Chen 009; Gai Elhanan (AMIA, 2013)

Auditing Redundant Import in Reuse of a Top Level Ontology for the Drug Discovery Investigations Ontology. - Zhe He 001; Christopher Ochs; Larisa N. Soldatova; Yehoshua Perl; Sivaram Arabandi; James Geller (VDOS+DO@ICBO, 2013)

Choosing the Granularity of Abstraction Networks for Orientation and Quality Assurance of the Sleep Domain Ontology. - Christopher Ochs; Zhe He 001; Yehoshua Perl; Sivaram Arabandi; Michael Halper; James Geller (ICBO, 2013)

BLUSNO: A System for Orientation, Visualization, and Quality Assurance of SNOMED CT Using Abstraction Networks. - Christopher Ochs; Yehoshua Perl; James Geller (ICBO, 2013)

Drug-drug Interaction Discovery Using Abstraction Networks for "National Drug File - Reference Terminology" Chemical Ingredients. - Christopher Ochs; Ling Zheng; Huanying Gu; Yehoshua Perl; James Geller; Joan Kapusnik-Uner; Aleksandr Zakharchenko (AMIA, 2015)

Algorithmic detection of inconsistent modeling among SNOMED CT concepts by combining lexical and structural indicators. - Ankur Agrawal; Yehoshua Perl; Christopher Ochs; Gai Elhanan (BIBM, 2015)

Using aggregate taxonomies to summarize SNOMED CT evolution. - Christopher Ochs; Yehoshua Perl; James Geller; Mark A. Musen (BIBM, 2015)

Abstraction networks for terminologies: Supporting management of "big knowledge". - Michael Halper; Huanying Gu; Yehoshua Perl; Christopher Ochs (Artif. Intell. Medicine, 2015)

A tribal abstraction network for SNOMED CT target hierarchies without attribute relationships. - Christopher Ochs; James Geller; Yehoshua Perl; Yan Chen 009; Ankur Agrawal; James T. Case; George Hripcsak (J. Am. Medical Informatics Assoc., 2015)

Scalable quality assurance for large SNOMED CT hierarchies using subject-based subtaxonomies. - Christopher Ochs; James Geller; Yehoshua Perl; Yan Chen 009; Junchuan Xu; Hua Min; James T. Case; Zhi Wei 001 (J. Am. Medical Informatics Assoc., 2015)

Summarizing and visualizing structural changes during the evolution of biomedical ontologies using a Diff Abstraction Network. - Christopher Ochs; Yehoshua Perl; James Geller; Melissa A. Haendel; Matthew H. Brush; Sivaram Arabandi; Samson W. Tu (J. Biomed. Informatics, 2015)

Structural measures to track the evolution of SNOMED CT hierarchies. - Duo Helen Wei; Huanying Helen Gu; Yehoshua Perl; Michael Halper; Christopher Ochs; Gai Elhanan; Yan Chen 009 (J. Biomed. Informatics, 2015)

Tracking the Remodeling of SNOMED CT's Bacterial Infectious Diseases. - Christopher Ochs; James T. Case; Yehoshua Perl (AMIA, 2016)

A Descriptive Delta for Identifying Changes in SNOMED CT. - Christopher Ochs; Yehoshua Perl; Gai Elhanan; James T. Case (ICBO/BioCreative, 2016)

Visualizing the "Big Picture" of Change in NCIt's Biological Processes. - Yehoshua Perl; Christopher Ochs; Sherri de Coronado; Nicole Thomas (ICBO/BioCreative, 2016)

A contextual auditing method for SNOMED CT concepts. - Ankur Agrawal; Yehoshua Perl; Christopher Ochs; Gai Elhanan (Int. J. Data Min. Bioinform., 2016)

Quality assurance of the gene ontology using abstraction networks. - Christopher Ochs; Yehoshua Perl; Michael Halper; James Geller; Jane Lomax (J. Bioinform. Comput. Biol., 2016)

A unified software framework for deriving, visualizing, and exploring abstraction networks for ontologies. - Christopher Ochs; James Geller; Yehoshua Perl; Mark A. Musen (J. Biomed. Informatics, 2016)

Utilizing a structural meta-ontology for family-based quality assurance of the BioPortal ontologies. - Christopher Ochs; Zhe He 001; Ling Zheng; James Geller; Yehoshua Perl; George Hripcsak; Mark A. Musen (J. Biomed. Informatics, 2016)

Applications of the Ontology Abstraction Framework. - Christopher Ochs; James Geller; Yehoshua Perl (AMIA, 2017)

Multi-layer Big Knowledge Visualization Scheme for Comprehending Neoplasm Ontology Content. - Ling Zheng; Christopher Ochs; James Geller; Hao Liu 025; Yehoshua Perl; Sherri de Coronado (ICBK, 2017)

Summarizing an Ontology: A "Big Knowledge" Coverage Approach. - Ling Zheng; Yehoshua Perl; Gai Elhanan; Christopher Ochs; James Geller; Michael Halper (MedInfo, 2017)

Real Time Summarization and Visualization of Ontology Change in Protégé. - Christopher Ochs; James Geller; Mark A. Musen; Yehoshua Perl (VOILA@ISWC, 2017)

From SNOMED CT to Uberon: Transferability of evaluation methodology between similarly structured ontologies. - Gai Elhanan; Christopher Ochs; José L. V. Mejino Jr.; Hao Liu 025; Christopher J. Mungall; Yehoshua Perl (Artif. Intell. Medicine, 2017)

Analyzing structural changes in SNOMED CT's Bacterial infectious diseases using a visual semantic delta. - Christopher Ochs; James T. Case; Yehoshua Perl (J. Biomed. Informatics, 2017)

An empirical analysis of ontology reuse in BioPortal. - Christopher Ochs; Yehoshua Perl; James Geller; Sivaram Arabandi; Tania Tudorache; Mark A. Musen (J. Biomed. Informatics, 2017)

Quality assurance of chemical ingredient classification for the National Drug File - Reference Terminology. - Ling Zheng; Hasan Yumak; Ling Chen 007; Christopher Ochs; James Geller; Joan Kapusnik-Uner; Yehoshua Perl (J. Biomed. Informatics, 2017)

Overlapping Complex Concepts Have More Commission Errors, Especially in Intensive Terminology Auditing. - Ling Zheng; Hao Liu 025; Yehoshua Perl; James Geller; Christopher Ochs; James T. Case (AMIA, 2018)

Quality Assurance of Ontology Content Reuse. - Michael Halper; Christopher Ochs; Yehoshua Perl; Sivaram Arabandi; Mark A. Musen (ICBO, 2018)

Complex overlapping concepts: An effective auditing methodology for families of similarly structured BioPortal ontologies. - Ling Zheng; Yan Chen 009; Gai Elhanan; Yehoshua Perl; James Geller; Christopher Ochs (J. Biomed. Informatics, 2018)

Visual comprehension and orientation into the COVID-19 CIDO ontology. - Ling Zheng; Yehoshua Perl; Yongqun He; Christopher Ochs; James Geller; Hao Liu 025; Vipina Kuttichi Keloth (J. Biomed. Informatics, 2021)

Guidelines for the reuse of ontology content. - Michael Halper; Larisa N. Soldatova; Mathias Brochhausen; Fatima Sabiu Maikore; Christopher Ochs; Yehoshua Perl (Appl. Ontology, 2023)

Language Models Guidance with Multi-Aspect-Cueing: A Case Study for Competitor Analysis. - Amir Hadifar; Christopher Ochs; Arjan Van Ewijk (CoRR, 2025)