Coordinated Adaptation for Adaptive Context-aware Applications

The ability to adapt to change is critical to both mobile and context-aware applications.

requires support for coordinated adaptation. Speci?cally, the main argument

control to an entity that can receive state information from multiple applications and

for recon?guration of the adaptive behaviour and user involvement. Failure to support

insuf?cient support for user requirements.

systems and an analysis of the limitations of existing systems leads to the establishment

Speci?cally, adaptation control should be decoupled from the mechanisms implementing

i

should allow modi?cations without the need for re-implementation of either the

This thesis presents the design of a platform derived from the aforementioned requirements.

Based on the particular requirements of adaptive context-aware applications a new policy

formalism. This policy language allows the speci?cation of policy rules where conditions

entities that represent duration (i.e. ?uents). A prototype implementation of this design

that the platform can support coordinated adaptation with acceptable performance cost.