Researches software engineering: building large, complex systems at reasonable cost and high reliability; especially evolution (e.g., enhancement) of large systems, which is driven by unpredictable market forces, including customer desire for leading-edge functions.

Catalog of small changes to your database schema which improves its design without changing its semantics.

Overview of definitions and methodologies.

Object-oriented programming expert and consultant, one of the leaders in refactoring, author of the book 'Refactoring: Improving the Design of Existing Code', Extreme Programming proponent. Many useful articles and links.

By Joshua Kerievsky; Addison Wesley, 2004, ISBN 0321213351; interactive CD available. Jolt award winning book, merges refactoring (process to improve design of extant code) with patterns (classic solutions to recurring design problems). Industrial Logic.

Founded as a consortium of experts in Refactoring, objects, e-commerce, Patterns, Extreme Programming, flexible and adaptable systems; dedicated to helping organizations succeed with objects; evolved from Ralph Johnson Software Architecture group, University of Illinois.

Catalog of 74 classic refactorings.

Abstract and many references, from paper with overview of research; link to full paper, for fee. IEEE Transactions on Software Engineering.

Suggests a different context than usual. Dave Thomas. JOT: Journal of Object Technology. (January 01, 2005)