A technique for semantic classification of unknown words using UMLS resources. - David A. Campbell; Stephen B. Johnson (AMIA, 1999)

Exploring the Semantic Relations of Radiological Terms using UMLS Resources. - David A. Campbell; Donald P. Harrington; James J. Cimino (AMIA, 2000)

Comparing syntactic complexity in medical and non-medical corpora. - David A. Campbell; Stephen B. Johnson (AMIA, 2001)

A transformational-based learner for dependency grammars in discharge summaries. - David A. Campbell; Stephen B. Johnson (ACL Workshop on Natural Language Processing in the Biomedical Domain, 2002)

Representing nested semantic information in a linear string of text using XML. - Michael Krauthammer; Stephen B. Johnson; George Hripcsak; David A. Campbell; Carol Friedman (AMIA, 2002)

A Native XML Database Design for Clinical Document Research. - Stephen B. Johnson; David A. Campbell; Michael Krauthammer; P. Karina Tulipano; Eneida A. Mendonça; Carol Friedman; George Hripcsak (AMIA, 2003)

Smooth functional tempering for nonlinear differential equation models. - David A. Campbell; Russell J. Steele (Stat. Comput., 2012)

An ANOVA test for parameter estimability using data cloning with application to statistical inference for dynamic systems. - David A. Campbell; Subhash Lele (Comput. Stat. Data Anal., 2014)

Transdimensional approximate Bayesian computation for inference on invasive species models with latent variables of unknown dimension. - Oksana A. Chkrebtii; Erin K. Cameron; David A. Campbell; Erin M. Bayne (Comput. Stat. Data Anal., 2015)

Monotone Emulation of Computer Experiments. - Shirin Golchi; Derek R. Bingham; Hugh A. Chipman; David A. Campbell (SIAM/ASA J. Uncertain. Quantification, 2015)

Sequentially Constrained Monte Carlo. - Shirin Golchi; David A. Campbell (Comput. Stat. Data Anal., 2016)

Adaptive step-size selection for state-space probabilistic differential equation solvers. - Oksana A. Chkrebtii; David A. Campbell (Stat. Comput., 2019)