Tomas Eric Nordlander, Kenneth N. Brown, Derek H. Sleeman. Constraint Relaxation Techniques to Aid the Reuse of Knowledge Bases and Problem Solvers. In Frans Coenen, Alun D. Preece, Ann Macintosh, editors, Research and Development in Intelligent Systems XX, Proceedings of AI2003, the Twenty-third SGAI International Conference on Innovative Techniques and Applications of Artificial Intelligence, Cambridge, UK, 15-17 December, 2003. pages 323-335, Springer, 2003. [doi]