A cost model for evaluating information retrieval systems. - Michael D. Cooper (J. Am. Soc. Inf. Sci., 1972)

A simulation model of an information retrieval system. - Michael D. Cooper (Inf. Storage Retr., 1973)

Input-output relationships in on-line bibliographic searching. - Michael D. Cooper (J. Am. Soc. Inf. Sci., 1977)

Charging users for library service. - Michael D. Cooper (Inf. Process. Manag., 1978)

The structure and future of the information economy. - Michael D. Cooper (Inf. Process. Manag., 1983)

A parser for on-line search system evaluation. - Russ Tremain; Michael D. Cooper (Inf. Process. Manag., 1983)

Usage patterns of an online search system. - Michael D. Cooper (J. Am. Soc. Inf. Sci., 1983)

Response time variations in an online search system. - Michael D. Cooper (J. Am. Soc. Inf. Sci., 1983)

Teaching database management system use in a library school curriculum. - Michael D. Cooper (J. Am. Soc. Inf. Sci., 1985)

Failure time analysis of office system use. - Michael D. Cooper (J. Am. Soc. Inf. Sci., 1991)

User skill acquisition in office information systems. - Michael D. Cooper (J. Am. Soc. Inf. Sci., 1991)

Design Considerations in Instrumenting and Monitoring Web-Based Information Retrieval Systems. - Michael D. Cooper (J. Am. Soc. Inf. Sci., 1998)

Using clustering techniques to detect usage patterns in a Web-based information system. - Hui-Min Chen; Michael D. Cooper (J. Assoc. Inf. Sci. Technol., 2001)

Usage patterns of a web-based library catalog. - Michael D. Cooper (J. Assoc. Inf. Sci. Technol., 2001)

Predicting the relevance of a library catalog search. - Michael D. Cooper; Hui-Min Chen (J. Assoc. Inf. Sci. Technol., 2001)

Stochastic modeling of usage patterns in a web-based information system. - Hui-Min Chen; Michael D. Cooper (J. Assoc. Inf. Sci. Technol., 2002)