Modeling of Dynamic Object Systems

This volume presents an approach to the formal object-oriented specification of information systems. The approach focuses on the early phases of system development where existing systems have to be described or systems to be developed have to be prescribed (requirements specification or conceptional modeling). Systems are considered to be reactive systems composed from objects that evolve concurrently in a discrete event-driven way. Based on a temporal logic framework the language Troll is defined. Troll supports the integrated specification of structural and behavioural properties of objects as well as abstractions like roles specifications and composite objects. Furthermore concepts for constructing systems specifications from parts are introduced. Finally the approach is related to similar ones and discussed.