ConChat: A Context-Aware Chat Program
IEEE Pervasive Computing
IEEE Internet Computing
Web Service Selection in Virtual Communities
HICSS '04 Proceedings of the Proceedings of the 37th Annual Hawaii International Conference on System Sciences (HICSS'04) - Track 7 - Volume 7
An ontology for context-aware pervasive computing environments
The Knowledge Engineering Review
QoS computation and policing in dynamic web service selection
Proceedings of the 13th international World Wide Web conference on Alternate track papers & posters
A Framework and Ontology for Dynamic Web Services Selection
IEEE Internet Computing
Service Discovery in Pervasive Computing Environments
IEEE Pervasive Computing
User-Centric Content Negotiation for Effective Adaptation Service in Mobile Computing
IEEE Transactions on Software Engineering
Context-Aware Computing Applications
WMCSA '94 Proceedings of the 1994 First Workshop on Mobile Computing Systems and Applications
A survey of quality of service in mobile computing environments
IEEE Communications Surveys & Tutorials
IEEE Wireless Communications
Hi-index | 0.00 |
Ubiquitous Computing (UbiComp) has become a new computing model in computer systems. However, the characteristics of UbiComp, such as context-awareness, mobility and resource-limitedness, pose challenges for service infrastructure to provide effective service provision. In this paper, we present a suit of user-oriented models and methods that support dynamic Quality of Service (QoS) evaluation and adaptive service selection for UbiComp: 1) We propose a user-oriented QoS model with hierarchical structure to achieve scalability and flexibility; 2) An extended context model with time dimension is employed in QoS evaluation; 3) To capture the weights of quality criteria, we design a user preference model based on linguistic variable; 4) We also model QoS evaluation and service selection as the combination of first order logic inference and hierarchical fuzzy logic evaluation. A case study is presented to demonstrate the effectiveness of our approach.