Introduction: Common methodologies in humanities computing and computational linguistics. - Nancy Ide; Donald Walker (Comput. Humanit., 1992)

Essential SNOMED: Simplifying SNOMED-CT and supporting Integration with Health Information Models. - Peter MacIsaac; Donald Walker; Rachel L. Richesson; Heather Grain; Peter L. Elkin; Jon D. Patrick (KR-MED, 2008)

Using Machine Learning to Understand Top-Down Effects in an Ecosystem: Opportunities, Challenges, and Lessons Learned. - Douglas A. Talbert; Paul Tinker; Tom Crowther; Donald Walker (FLAIRS, 2017)