OOIS 2001

Welcome to 00lS'01 and Calgary! This is the 7th International Conference on Object-Oriented Information Systems (OOlS) that focus on Object-Oriented and Web-Based Frameworks for Information Systems. In the last few years we've seen significant new development in this field, from one-off design technologies to reusable frameworks, and from web applications to bioinformatic systems. We perceive that information processing is one of the most important activities of human beings. Object-orientation