EP-X: A Knowledge-Based System to Aid in Searches of the Environmental Pollution Literature. - Deb A. Krawczak; Philip J. Smith; Steven J. Shute; Mark H. Chignell (CAIA, 1985)

EP-X: A Demonstration of Semantically-Based Search of Bibliographic Databases. - Deb A. Krawczak; Philip J. Smith; Steven J. Shute (SIGIR, 1987)

In Search of Knowledge-Based Search Tactics. - Philip J. Smith; Steven J. Shute; Deb Galdes; Mark H. Chignell (SIGIR, 1989)

Knowledge-Based Search Tactics for an Intelligent Intermediary System. - Philip J. Smith; Steven J. Shute; Deb Galdes; Mark H. Chignell (ACM Trans. Inf. Syst., 1989)

Knowledge-Based Search Tactics. - Steven J. Shute; Philip J. Smith (Inf. Process. Manag., 1993)