The UCD Perspective: Before and After Agile. - Heather Williams; Andrew Ferguson (AGILE, 2007)

OBIB-a novel ontology for biobanking. - Mathias Brochhausen; Jie Zheng 001; David L. Birtwell; Heather Williams; Anna Maria Masci; Helena Judge Ellis; Christian J. Stoeckert Jr. (J. Biomed. Semant., 2016)

Text mining applied to electronic cardiovascular procedure reports to identify patients with trileaflet aortic stenosis and coronary artery disease. - Aeron M. Small; Daniel H. Kiss; Yevgeny Zlatsin; David L. Birtwell; Heather Williams; Marie A. Guerraty; Yuchi Han; Saif Anwaruddin; John H. Holmes; Julio A. Chirinos; Robert L. Wilensky; Jay Giri; et al. (J. Biomed. Informatics, 2017)

Transforming and Unifying Research with Biomedical Ontologies: The Penn TURBO Project. - Christian J. Stoeckert Jr.; David L. Birtwell; Hayden Freedman; Mark A. Miller; Heather Williams (ICBO, 2018)

Carnival: A Graph-Based Data Integration and Query Tool to Support Patient Cohort Generation for Clinical Research. - David L. Birtwell; Heather Williams; Reed Pyeritz; Scott Damrauer; Danielle L. Mowery (MedInfo, 2019)

Evaluating recommender systems for AI-driven data science. - William G. La Cava; Heather Williams; Weixuan Fu; Jason H. Moore (CoRR, 2019)

Scaling and Querying a Semantically Rich, Electronic Healthcare Graph. - Hayden Freedman; Mark A. Miller; Heather Williams; Christian J. Stoeckert Jr. (ICBO/ODLS, 2020)

Evaluating recommender systems for AI-driven biomedical informatics. - William G. La Cava; Heather Williams; Weixuan Fu; Steven Vitale; Durga Srivatsan; Jason H. Moore (Bioinform., 2021)

Carnival: JVM Property graph data unification toolkit. - David L. Birtwell; Heather Williams; Tom Hutchinson; Louis Lee; Hayden Freedman; Christian J. Stoeckert Jr. (J. Open Source Softw., 2025)