The small-world phenomenon: an algorithmic perspective
STOC '00 Proceedings of the thirty-second annual ACM symposium on Theory of computing
Pastry: Scalable, Decentralized Object Location, and Routing for Large-Scale Peer-to-Peer Systems
Middleware '01 Proceedings of the IFIP/ACM International Conference on Distributed Systems Platforms Heidelberg
The Family Intercom: Developing a Context-Aware Audio Communication System
UbiComp '01 Proceedings of the 3rd international conference on Ubiquitous Computing
The Family Intercom: Developing a Context-Aware Audio Communication System
UbiComp '01 Proceedings of the 3rd international conference on Ubiquitous Computing
Solar: building a context fusion network for pervasive computing
Solar: building a context fusion network for pervasive computing
Information retrieval in schema-based P2P systems using one-dimensional semantic space
Computer Networks: The International Journal of Computer and Telecommunications Networking
Human-Computer Interaction
An infrastructure approach to context-aware computing
Human-Computer Interaction
A middleware for context-aware agents in ubiquitous computing environments
Proceedings of the ACM/IFIP/USENIX 2003 International Conference on Middleware
Providing QoS in ontology centered context aware pervasive systems
Proceedings of the 2nd International Conference on PErvasive Technologies Related to Assistive Environments
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Context information has emerged as an important resource to enable autonomy and flexibility of ubiquitous applications. The widespread use of context information necessitates an efficient lookup service in a wide-area network over multiple smart spaces. In this paper, we propose a context lookup framework based on a semantic peer-to-peer network to support the building of context-aware applications in multiple smart spaces. Collaborative contextaware applications that utilize different context information in multiple smart spaces can be easily built by invoking a pull or push service provided by our framework. We describe the design of our system, demonstrate the development process of context-aware applications, and report the measurements obtained from our prototype.