Rapid prototyping of mobile context-aware applications: the Cyberguide case study
MobiCom '96 Proceedings of the 2nd annual international conference on Mobile computing and networking
Developing a context-aware electronic tourist guide: some issues and experiences
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Using while moving: HCI issues in fieldwork environments
ACM Transactions on Computer-Human Interaction (TOCHI) - Special issue on human-computer interaction with mobile systems
A resource-adaptive mobile navigation system
Proceedings of the 7th international conference on Intelligent user interfaces
Presenting route instructions on mobile devices
Proceedings of the 8th international conference on Intelligent user interfaces
Adaptive navigation support with public displays
Proceedings of the 10th international conference on Intelligent user interfaces
The rotating compass: a novel interaction technique for mobile navigation
CHI '05 Extended Abstracts on Human Factors in Computing Systems
Navigation via continuously adapted music
CHI '05 Extended Abstracts on Human Factors in Computing Systems
A natural wayfinding exploiting photos in pedestrian navigation systems
Proceedings of the 8th conference on Human-computer interaction with mobile devices and services
Immersive video as a rapid prototyping and evaluation tool for mobile and ambient applications
Proceedings of the 8th conference on Human-computer interaction with mobile devices and services
Navitime: Supporting Pedestrian Navigation in the Real World
IEEE Pervasive Computing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The prayer companion: openness and specificity, materiality and spirituality
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Every year, a large number of pilgrims visit Mecca in Saudi Arabia. During their stay, they perform a number of rites in and around the city. Due to large crowds forming on particular days, incidents frequently occur, where people are injured, sometimes fatally. In this article, we investigate the question whether the use of dynamic public signage can help people to navigate in this setting. We present an analysis of the situation in Mecca based on a literature review and on interviews with pilgrims, and then introduce a prototypical dynamic sign system aimed at supporting pilgrims in navigating one particular area. To evaluate the system, we conducted a user study in a realistic setting, and the results suggest that dynamic signage may be a feasible option in this setting. The design and evaluation of our prototype also led to a number of insights regarding the design of such systems. We discuss difficulties encountered during the design process and the evaluation and reflect on implications for the design and evaluation of systems supporting navigation for large crowds.