Personal and Ubiquitous Computing
IEEE Pervasive Computing
User needs for location-aware mobile services
Personal and Ubiquitous Computing
"I'm waiting where we met last time": exploring everyday positioning practices to inform design
Proceedings of the third Nordic conference on Human-computer interaction
DeDe: design and evaluation of a context-enhanced mobile messaging system
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Using context-aware computing to reduce the perceived burden of interruptions from mobile devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the 12th ACM international conference on Ubiquitous computing
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There are academic and commercial drivers for context-awareness to play a prominent role in the future of mobile services. Implementing a complete model of context remains an unsolved problem, however, some contextual elements such as person, time and place are relatively easy to identify. We develop a simple context model incorporating personal, temporal and spatial dimensions and apply it to a context-aware text messaging service. We report a field study of the service, investigating how applying these fundamental contextual constraints to messages can affect the nature of communication between participants. The results suggest that although contextual constraints are not appropriate for all types of message content, they increase opportunities for situated chat in public spaces, improve group awareness between peers and facilitate conversations between people, some of whom would not otherwise communicate with each other.