Utilizing the Age of References to Control the Exhaustivity of the Reference Representation in Information Retrieval. - Robert G. Sumner Jr. (Inf. Process. Manag., 1995)

An Investigation of Relevance Feedback Using Adaptive Linear and Probabilistic Models. - Robert G. Sumner Jr.; William M. Shaw Jr. (TREC, 1996)

Interactive Retrieval using IRIS: TREC-6 Experiments. - Robert G. Sumner Jr.; Kiduk Yang; Roger Akers; William M. Shaw Jr. (TREC, 1997)

An Interactive WWW Search Engine for User-Defined Collections. - Robert G. Sumner Jr.; Kiduk Yang; Bert J. Dempsey (ACM DL, 1998)

IRIS at TREC-7. - Kiduk Yang; Kelly Maglaughlin; Lokman I. Meho; Robert G. Sumner Jr. (TREC, 1998)

Design and empirical evaluation of search software for legal professionals on the WWW. - Bert J. Dempsey; Robert C. Vreeland; Robert G. Sumner Jr.; Kiduk Yang (Inf. Process. Manag., 2000)