Envisioning information
The temporal structure of cooperative activity
CSCW '90 Proceedings of the 1990 ACM conference on Computer-supported cooperative work
Effective sounds in complex systems: the ARKOLA simulation
CHI '91 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Evaluating video as a technology for informal communication
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Portholes: supporting awareness in a distributed work group
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Work, friendship, and media use for information exchange in a networked organization
Journal of the American Society for Information Science
Privacy-preserving data mining
SIGMOD '00 Proceedings of the 2000 ACM SIGMOD international conference on Management of data
Tools for visualizing properties of spatial and temporal periodicity in geographic data
Computers & Geosciences
Social translucence: an approach to designing systems that support social processes
ACM Transactions on Computer-Human Interaction (TOCHI) - Special issue on human-computer interaction in the new millennium, Part 1
Inferring calendar event attendance
Proceedings of the 6th international conference on Intelligent user interfaces
ConNexus to awarenex: extending awareness to mobile users
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Data Mining: Introductory and Advanced Topics
Data Mining: Introductory and Advanced Topics
Work rhythms: analyzing visualizations of awareness histories of distributed groups
CSCW '02 Proceedings of the 2002 ACM conference on Computer supported cooperative work
A finger on the pulse: temporal rhythms and information seeking in medical work
CSCW '02 Proceedings of the 2002 ACM conference on Computer supported cooperative work
Awareness and the WWW: an overview
ACM SIGGROUP Bulletin
Unpacking "privacy" for a networked world
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Predicting human interruptibility with sensors: a Wizard of Oz feasibility study
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Rhythm modeling, visualizations and applications
Proceedings of the 16th annual ACM symposium on User interface software and technology
"Constant, constant, multi-tasking craziness": managing multiple working spheres
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Controlling interruptions: awareness displays and social motivation for coordination
CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
Lilsys: Sensing Unavailability
CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
Presence versus availability: the design and evaluation of a context-aware communication client
International Journal of Human-Computer Studies
Approaching and leave-taking: Negotiating contact in computer-mediated communication
ACM Transactions on Computer-Human Interaction (TOCHI)
When can i expect an email response? a study of rhythms in email usage
ECSCW'03 Proceedings of the eighth conference on European Conference on Computer Supported Cooperative Work
Coordinate: probabilistic forecasting of presence and availability
UAI'02 Proceedings of the Eighteenth conference on Uncertainty in artificial intelligence
Introduction to this special issue on awareness systems design
Human-Computer Interaction
Indexicality: Understanding mobile human-computer interaction in context
ACM Transactions on Computer-Human Interaction (TOCHI)
The japanese garden: task awareness for collaborative multitasking
Proceedings of the 16th ACM international conference on Supporting group work
Proceedings of the 16th ACM international conference on Supporting group work
Chronobiology applied to the development of human behavior computational models
Journal of Ambient Intelligence and Smart Environments
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Efficient coordination of collaboration requires sharing information about collaborators' current and future availability. We describe the usage of an awareness system called Awarenex that shared real-time awareness information to help coordinate activities at the current moment. We also developed a prototype called Lilsys that used sensors to gather additional awareness information that would help avoid disruptions when users are currently unavailable for interaction. Our experiences over time in designing and using prototypes that share awareness cues for current availability led us to identify temporal patterns that could help predict future reachability. Rhythm awareness is having a sense of regularly recurring temporal patterns that can help coordinate interactions among collaborators. Rhythm awareness is difficult to establish within distributed groups that are separated by distance and time zone. We describe rhythmic temporal patterns observed in activity data collected from users of the Awarenex prototype. Analyzing logs of Awarenex usage over time enabled us to construct a computational model of temporal patterns. We explored how to apply those patterns and model to predict future reachability among distributed team members. We discuss trade-offs in the design of collaborative applications that rely on human- and machine-interpretation of rhythm awareness cues. We also conducted a design study that elicited reactions to a variety of end-user visualizations of rhythmic patterns and investigated how well our computational model characterized their everyday routines.