Recently, the ITU-standardised specification language Message Sequence Chart has been extended with constructs for more complete and structured specifications. The new version of ...
We set up a formal framework to describe transition system specifications in the style of Plotkin. This framework has the power to express many-sortedness, general binding mechan...
Domain-specific modelling languages provide modelling means tailored to a particular domain. In Model-driven Engineering, it is common practice to specify such languages by modelli...
We look at extensions of modal logic for representation and reasoning in the area of multi-agent systems. Building on dynamic logic and Henkin quantifiers, we study an unusual typ...
We model semantic interpretation operationally: constituents interact as their combination in discourse evolves from state to state. The states are recursive data structures and ev...