A significant characteristic of ubiquitous computing is the need for interactions of highly mobile entities to be secure: secure both for the entity and the environment in which the entity operates. Moreover, ubiquitous computing is also characterised by partial views over the state of the...

The rapid development of collaborative environments over the internet has highlighted new concerns over security and trust in such global computing systems. The global computing infrastructure poses an issue of uncertainty about the potential collaborators. Reaching a trusting decision in such...

Simulation is a vital tool in research methods for investigating lifecycle issues in critical application areas, such as scenarios involving trust. Our trust model is premised on the belief that the ability to form and evolve explicit values for trust in other principals in an interaction allows...