Algebraic semantics of design abstractions for context-awareness

We investigate essential features of contexts and proper abstractions for modelling context-awareness within CommUnity, a language that we have been developing to support architectural design of distributed and mobile system. Under the assumption that the context that a component perceives is determined by its current position, we explore the use of abstract data types for defining design primitives through which different notions of context can be modelled explicitly according to the application domain.