research:context
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research:context [2006/06/30 19:18] – jorge | research:context [2009/11/30 16:55] (current) – *prog->soft dharnie | ||
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- | ====== Role-Based Ambient Communications ====== | + | ===== Context-Dependent Behaviour Adaptations |
+ | [[http:// | ||
- | ===== Motivation | + | ==== Motivation ==== |
Within the domain of pervasive computing, context-awareness has commonly been defined as the ability of an application to adapt itself to its dynamic environment. The context of an application is defined as any information or service in the application' | Within the domain of pervasive computing, context-awareness has commonly been defined as the ability of an application to adapt itself to its dynamic environment. The context of an application is defined as any information or service in the application' | ||
- | Our observation is that in an interaction between two entities, the behaviour of the message receiver may not only depend on the context | + | Our observation is that in an interaction between two entities, the behaviour of the message receiver may not only depend on its own context, but also on the context of the sender. We have illustrated this idea in a high level **[[research: |
We claim that in order to deal with context-dependent communications in mobile networks, we need a model that satisfies the following conditions: | We claim that in order to deal with context-dependent communications in mobile networks, we need a model that satisfies the following conditions: | ||
- | * **Dynamic Context Adaptation**: | + | * **Dynamic Context Adaptation**: |
- | * **Dynamic Behaviour Composition**: | + | * **Dynamic Behaviour Composition**: |
* **Context Passing Mechanism**: | * **Context Passing Mechanism**: | ||
- | |||
==== Design ==== | ==== Design ==== | ||
- | At the PROG lab, we are currently exploring different language constructs for the development of context-aware applications. | + | At our [[http:// |
- | {{ rolemodel.jpg }} | + | {{ rolemodel02.jpg?455x318| Click the image to enlarge |
- | The problem with the split objects model is that the message sender must know before hand which are the roles a receiver could take. We claim that in dynamic environments like the scenarios of pervasive computing, it is practically impossible to have this level of acknowledgment of all the participants | + | The problem with the split objects model is that the message sender must know before hand which are the roles a receiver could take. In dynamic environments like mobile open networks, this acknowledgment |
==== Ongoing and Future Work ==== | ==== Ongoing and Future Work ==== | ||
+ | |||
+ | These are the different research topics we have identified so far: | ||
* Composition of context-dependent application behaviours using prototype-based solutions (delegation hierarchies, | * Composition of context-dependent application behaviours using prototype-based solutions (delegation hierarchies, | ||
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* Rule-based systems for context reasoning and role selection. | * Rule-based systems for context reasoning and role selection. | ||
- | |||
- | * Role-based communications. | ||
* Combining actor and role models for the development of context-dependent applications. | * Combining actor and role models for the development of context-dependent applications. | ||
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==== Further Reading ==== | ==== Further Reading ==== | ||
- | **A Role-Based Implementation of Context-Dependent Communications Using Split Objects**. Jorge Vallejos, Peter Ebraert, Brecht Desmet. In " | + | **A Role-Based Implementation of Context-Dependent Communications Using Split Objects**. Jorge Vallejos, Peter Ebraert, Brecht Desmet. In " |
research/context.1151687893.txt.gz · Last modified: 2006/06/30 19:19 (external edit)