DB2 Universal Database Performance Tuning. - K. Bernhard Schiefer; Gary Valentin (IEEE Data Eng. Bull., 1999)

DB2 Advisor: An Optimizer Smart Enough to Recommend Its Own Indexes. - Gary Valentin; Michael Zuliani; Daniel C. Zilio; Guy M. Lohman; Alan Skelley (ICDE, 2000)

Fractal prefetching B±Trees: optimizing both cache and disk performance. - Shimin Chen; Phillip B. Gibbons; Todd C. Mowry; Gary Valentin (SIGMOD Conference, 2002)

Recommending Materialized Views and Indexes with IBM DB2 Design Advisor. - Daniel C. Zilio; Calisto Zuzarte; Sam Lightstone; Wenbin Ma; Guy M. Lohman; Roberta Cochrane; Hamid Pirahesh; Latha S. Colby; Jarek Gryz; Eric Alton; Dongming Liang; Gary Valentin (ICAC, 2004)