Robert G. Lefferts

CLARIT TREC Design, Experiments, and Results

Gregory Grefenstette, William R. Hersh, David A. Evans, 1992, TREC.

Design and Evaluation of the CLARIT-TREC-2 System

David A. Evans, Robert G. Lefferts, 1993, TREC.

CLARIT TREC-4 Interactive Experiments

Natasa Milic-Frayling, ChengXiang Zhai, Xiang Tong, 1995, TREC.

CLARIT TREC-4 Experiments

Natasa Milic-Frayling, David A. Evans, Robert G. Lefferts, 1995, TREC.

Automatic indexing using selective NLP and first-order thesauri

Mary Hart, David A. Evans, Robert G. Lefferts, 1991, RIAO.

Clarit-TREC Experiments

David A. Evans, Robert G. Lefferts, David A. Evans, 1995, Inf. Process. Manag..

Toward Representations for Medical Concepts

D A Evans, D J Rothwell, I A Monarch, 1991, Medical decision making : an international journal of the Society for Medical Decision Making.