Understanding and Using Context
Personal and Ubiquitous Computing
Reconfigurable Context-Sensitive Middleware for Pervasive Computing
IEEE Pervasive Computing
Computer
Utility Functions in Autonomic Systems
ICAC '04 Proceedings of the First International Conference on Autonomic Computing
Using Architecture Models for Runtime Adaptability
IEEE Software
An Approach for Developing Adaptive, Mobile Applications with Separation of Concerns
COMPSAC '06 Proceedings of the 30th Annual International Computer Software and Applications Conference - Volume 01
A Utility-Based Adaptivity Model for Mobile Applications
AINAW '07 Proceedings of the 21st International Conference on Advanced Information Networking and Applications Workshops - Volume 02
A Context Query Language for Pervasive Computing Environments
PERCOM '08 Proceedings of the 2008 Sixth Annual IEEE International Conference on Pervasive Computing and Communications
Software Architecture Patterns for a Context-Processing Middleware Framework
IEEE Distributed Systems Online
Managing distributed adaptation of mobile applications
DAIS'07 Proceedings of the 7th IFIP WG 6.1 international conference on Distributed applications and interoperable systems
A comprehensive context modeling framework for pervasive computing systems
DAIS'08 Proceedings of the 8th IFIP WG 6.1 international conference on Distributed applications and interoperable systems
Composing components and services using a planning-based adaptation middleware
SC'08 Proceedings of the 7th international conference on Software composition
Middleware for distributed context-aware systems
OTM'05 Proceedings of the 2005 Confederated international conference on On the Move to Meaningful Internet Systems - Volume >Part I
Adaptive context management using a component-based approach
DAIS'05 Proceedings of the 5th IFIP WG 6.1 international conference on Distributed Applications and Interoperable Systems
CA3M: A Runtime Model and a Middleware for Dynamic Context Management
OTM '09 Proceedings of the Confederated International Conferences, CoopIS, DOA, IS, and ODBASE 2009 on On the Move to Meaningful Internet Systems: Part I
SIP-based context distribution: does aggregation pay off?
ACM SIGCOMM Computer Communication Review
Managing dynamic context to optimize smart interactions and services
The smart internet
Managing dynamic context to optimize smart interactions and services
The smart internet
QoS contract-aware reconfiguration of component architectures using e-graphs
FACS'10 Proceedings of the 7th international conference on Formal Aspects of Component Software
Building ubiquitous QoC-aware applications through model-driven software engineering
Science of Computer Programming
Context data management: an architectural framework for context-aware services
Service Oriented Computing and Applications
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Context awareness is a core feature of modern mobile and ubiquitous computing systems. Although it has not reached its full potential yet, one can already observe significant activity in the area of software engineering for supporting the development of context-aware applications. An example of such an activity is the MUSIC project, which proposes a middleware featuring a generic and reusable context management system. This paper describes the pluggable architecture of this system, and explains how it advances the state of the art through its support for context heterogeneity and better resource utilization. The former is achieved with the use of a novel architecture, which enables the separation of low-level, platform-specific context plug-ins from higher-level application-specific ones. The improved resource utilization is achieved through intelligent activation and deactivation of context plug-ins based on the needs of the active applications. The proposed approach has been experimentally evaluated and the results indicate that it significantly improves the resource utilization in context-aware applications, especially when deployed on lightweight mobile devices.