Finding usability problems through heuristic evaluation
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
GeneyTM: designing a collaborative activity for the palmTM handheld computer
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Improving mobile internet usability
Proceedings of the 10th international conference on World Wide Web
G-Portal: a map-based digital library for distributed geospatial and georeferenced resources
Proceedings of the 2nd ACM/IEEE-CS joint conference on Digital libraries
The Design and Implementation of a Mobile Learning Resource
Personal and Ubiquitous Computing
Ambient wood: designing new forms of digital augmentation for learning outdoors
Proceedings of the 2004 conference on Interaction design and children: building a community
ButterflyNet: a mobile capture and access system for field biology research
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries
Explore! possibilities and challenges of mobile learning
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the 10th international conference on Human computer interaction with mobile devices and services
Can Social Tags Help You Find What You Want?
ECDL '08 Proceedings of the 12th European conference on Research and Advanced Technology for Digital Libraries
Exploring Hierarchically Organized Georeferenced Multimedia Annotations in the MobiTOP System
ITNG '09 Proceedings of the 2009 Sixth International Conference on Information Technology: New Generations
Designing collaborative, constructionist and contextual applications for handheld devices
Computers & Education - Virtual learning? Selected contributions from the CAL 05 symposium
Supporting field study with personalized project spaces in a geographical digital library
ICADL'04 Proceedings of the 7th international Conference on Digital Libraries: international collaboration and cross-fertilization
A multifaceted approach to exploring mobile annotations
ICADL'10 Proceedings of the role of digital libraries in a time of global change, and 12th international conference on Asia-Pacific digital libraries
Investigating perceptions of a location-based annotation system
AMT'10 Proceedings of the 6th international conference on Active media technology
Enhancing search in a geospatial multimedia annotation system
Proceedings of the 12th International Conference on Information Integration and Web-based Applications & Services
Investigating the usability of a mobile location-based annotation system
Proceedings of the 8th International Conference on Advances in Mobile Computing and Multimedia
A usability study of a mobile content sharing system
Journal of Mobile Multimedia
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Mobile devices used in educational settings are usually employed within a collaborative learning activity in which learning takes place in the form of social interactions between team members while performing a shared task. We introduce MobiTOP (Mobile Tagging of Objects and People), a geospatial digital library system which allows users to contribute and share multimedia annotations via mobile devices. A key feature of MobiTOP that is well suited for collaborative learning is that annotations are hierarchical, allowing annotations to be annotated by other users to an arbitrary depth. A group of student-teachers involved in an inquiry-based learning activity in geography were instructed to identify rock types and associated landforms by collaborating with each other using the MobiTOP system. The outcome of the study and its implications are reported in this paper.