The UML (Unified Modelling Language) has become the industry standard for modelling software-intensive systems. This fully revised edition, which looks at several applications using the UML as part of a generic approach to aid many kinds of problem-solving and information modelling, coincides with the release of UML Version 2 by the Object Management Group and covers the significant changes that have occured since its release. The author also discusses life-cycle management, examining the way the UML can be used to control and manage projects and the UML systems engineering profile.