1 Introduction
Recently, much attention has been focused on e-commerce by Web technologies. Especially, special attention has been focused on techniques about the one-to-one Web personalization. Conventional technologies for generating dynamic Web contents have been used to generate Web data that is adapted to each user according to his situation, favorites and action histories. In this paper, we propose an idea of using XML-based active rules for deriving Web views and for defining access control by user access behaviors.