A comparison of tiled and overlapping windows
CHI '86 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The active badge location system
ACM Transactions on Information Systems (TOIS)
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
Integration and synchronization of input modes during multimodal human-computer interaction
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
Cyberguide: a mobile context-aware tour guide
Wireless Networks - Special issue: mobile computing and networking: selected papers from MobiCom '96
The context toolkit: aiding the development of context-enabled applications
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Developing a context-aware electronic tourist guide: some issues and experiences
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
The limits of speech recognition
Communications of the ACM
“Put-that-there”: Voice and gesture at the graphics interface
SIGGRAPH '80 Proceedings of the 7th annual conference on Computer graphics and interactive techniques
Smart Sight: A Tourist Assistant System
ISWC '99 Proceedings of the 3rd IEEE International Symposium on Wearable Computers
Signal Processing - Special section: Multimodal human-computer interfaces
Mobile information access in the real world: A story of three wireless devices
Computers in Human Behavior
Applications of location-based services: a selected review
Journal of Location Based Services
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The digital mobile guide, being able to provide users with geographic information services (GIS) at any time from anywhere, is an important way to ease the plight of visitors. However, the limitations of handheld terminals and the cognitive interference from the environment pose great challenges for user interaction. Naturalness and intelligence in communication between users and mobile guide applications are therefore crucial for the usability requirement. This article presents our efforts on the interaction design and evaluation of a hypermedia mobile tour guide system TGH. Users' cognitive behavior in mobile environment is characterized in a coherent psychology framework from the perspective of cognitive skill and attention interference. Correspondingly a context-sensitive multimodal interaction framework is proposed to describe the major components and data flow on the level of technology. Such interaction style is implemented in TGH and deployed into the context of authentic use to be tested. We discuss our techniques, interface facilities, and the result of user evaluations. The improvement of interaction efficiency and reduction of user efforts are measured.