Studying context: a comparison of activity theory, situated action models, and distributed cognition
Context and consciousness
Re-place-ing space: the roles of place and space in collaborative systems
CSCW '96 Proceedings of the 1996 ACM conference on Computer supported cooperative work
Understanding and Using Context
Personal and Ubiquitous Computing
A diary study of mobile information needs
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
An examination of daily information needs and sharing opportunities
Proceedings of the 2008 ACM conference on Computer supported cooperative work
Changing places: contexts of awareness in computing
Human-Computer Interaction
Seeking a foundation for context-aware computing
Human-Computer Interaction
Understanding the intent behind mobile information needs
Proceedings of the 14th international conference on Intelligent user interfaces
Proceedings of the 18th international conference on World wide web
Information needs and practices of active mobile Internet users
Mobility '09 Proceedings of the 6th International Conference on Mobile Technology, Application & Systems
Proceedings of the 19th international conference on World wide web
Inferring the everyday task capabilities of locations
LoCA'07 Proceedings of the 3rd international conference on Location-and context-awareness
Identifying the activities supported by locations with community-authored content
Proceedings of the 12th ACM international conference on Ubiquitous computing
Place-Its: a study of location-based reminders on mobile phones
UbiComp'05 Proceedings of the 7th international conference on Ubiquitous Computing
Myngle: unifying and filtering web content for unplanned access between multiple personal devices
Proceedings of the 13th international conference on Ubiquitous computing
Making sense of screen mobility: dynamic maps and cartographic literacy in a highly mobile activity
Proceedings of the 15th international conference on Human-computer interaction with mobile devices and services
Human activity recognition using social media data
Proceedings of the 12th International Conference on Mobile and Ubiquitous Multimedia
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A rich cognitive map of a space can enhance the individual's experience within the space. However, cognitive maps develop gradually through repeated experience; and because of this, on-demand mobile search services (e.g., Google Maps, Yelp) are often used to compensate for missing knowledge. In this work, we developed and evaluated a context-aware place discovery application called Opportunities Exist to assist in the acquisition of spatial knowledge and meaning. The application differs from traditional search in that places are discovered using an activity (e.g., drink coffee, sit in the sun) and the discovery process runs continuously, maintaining a history of places the user can perform her activities as she goes about her day. We conducted a 4-week deployment in two North American cities. The results show that users were able to discover new places to perform their activities in familiar spaces and learned to associate new activities with familiar places. In addition, participants leveraged the application to perform activities opportunistically, and used continuous place discovery as an opportunistic reminder of routines they wanted to break out of or resume.