CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Communications of the ACM
Social net: using patterns of physical proximity over time to infer shared interests
CHI '02 Extended Abstracts on Human Factors in Computing Systems
Privacy critics: UI components to safeguard users' privacy
CHI '99 Extended Abstracts on Human Factors in Computing Systems
Unpacking "privacy" for a networked world
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Informed Consent in the Mozilla Browser: Implementing Value Sensitive Design
HICSS '02 Proceedings of the 35th Annual Hawaii International Conference on System Sciences (HICSS'02)-Volume 8 - Volume 8
Using GPS to learn significant locations and predict movement across multiple users
Personal and Ubiquitous Computing
Privacy risk models for designing privacy-sensitive ubiquitous computing systems
DIS '04 Proceedings of the 5th conference on Designing interactive systems: processes, practices, methods, and techniques
Personal privacy through understanding and action: five pitfalls for designers
Personal and Ubiquitous Computing
Location disclosure to social relations: why, when, & what people want to share
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Social matching: A framework and research agenda
ACM Transactions on Computer-Human Interaction (TOCHI)
Information revelation and privacy in online social networks
Proceedings of the 2005 ACM workshop on Privacy in the electronic society
Social networks generate interest in computer science
Proceedings of the 37th SIGCSE technical symposium on Computer science education
Because I carry my cell phone anyway: functional location-based reminder applications
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The intellectual challenge of CSCW: the gap between social requirements and technical feasibility
Human-Computer Interaction
UbiComp'05 Proceedings of the 7th international conference on Ubiquitous Computing
Privacy and technology: folk definitions and perspectives
CHI '08 Extended Abstracts on Human Factors in Computing Systems
Sensing and using social context
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)
Sharescape: an interface for place annotation
Proceedings of the 5th Nordic conference on Human-computer interaction: building bridges
Implementing a System for Collaborative Search of Local Services
Groupware: Design, Implementation, and Use
Sharing Map Annotations in Small Groups: X Marks the Spot
INTERACT '09 Proceedings of the 12th IFIP TC 13 International Conference on Human-Computer Interaction: Part II
On the "localness" of user-generated content
Proceedings of the 2010 ACM conference on Computer supported cooperative work
SocialSearchBrowser: a novel mobile search and information discovery tool
Proceedings of the 15th international conference on Intelligent user interfaces
The role of community and groupware in geocache creation and maintenance
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Evaluation of a pervasive awareness system designed for busy parents
Pervasive and Mobile Computing
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
Tweets from Justin Bieber's heart: the dynamics of the location field in user profiles
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A usability study of a mobile content sharing system
Journal of Mobile Multimedia
Recognizing team context during simulated missions
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
Characterizing local interests and local knowledge
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Creating scalable location-based games: lessons from Geocaching
Personal and Ubiquitous Computing
Location recommendation for out-of-town users in location-based social networks
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
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With new technology, people can share information about everyday places they go; the resulting data helps others find and evaluate places. Recent applications like Dodgeball and Sharescape repurpose everyday place information: users create local place data for personal use, and the systems display it for public use. We explore both the opportunities -- new local knowledge, and concerns -- privacy risks, raised by this implicit information sharing. We conduct two empirical studies: subjects create place data when using PlaceMail, a location-based reminder system, and elect whether to share it on Sharescape, a community map-building system. We contribute by: (1) showing location-based reminders yield new local knowledge about a variety of places, (2) identifying heuristics people use when deciding what place-related information to share (and their prevalence), (3) detailing how these decision heuristics can inform local knowledge sharing system design, and (4) identifying new uses of shared place information, notably opportunistic errand planning.