Exposing profiles to build trust in a recommender
CHI '02 Extended Abstracts on Human Factors in Computing Systems
Research through design as a method for interaction design research in HCI
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Crowdsourcing user studies with Mechanical Turk
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Pathfinder: an online collaboration environment for citizen scientists
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Understanding the space for co-design in riders' interactions with a transit service
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
OneBusAway: results from providing real-time arrival information for public transit
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Biketastic: sensing and mapping for better biking
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Cooperative transit tracking using smart-phones
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
Quality control for real-time ubiquitous crowdsourcing
Proceedings of the 2nd international workshop on Ubiquitous crowdsouring
Theories, methods and case studies of longitudinal HCI research
CHI '12 Extended Abstracts on Human Factors in Computing Systems
Flytalk: social media to meet the needs of air travelers
CHI '12 Extended Abstracts on Human Factors in Computing Systems
Advancing the state of mobile cloud computing
Proceedings of the third ACM workshop on Mobile cloud computing and services
Building a dynamic and computational understanding of personal social networks
Proceedings of the 1st ACM workshop on Mobile systems for computational social science
Supporting the aviation industry: a traveler-centered approach
Proceedings of the Designing Interactive Systems Conference
Bannerbattle: introducing crowd experience to interaction design
Proceedings of the 7th Nordic Conference on Human-Computer Interaction: Making Sense Through Design
Lowering the barriers to large-scale mobile crowdsensing
Proceedings of the 14th Workshop on Mobile Computing Systems and Applications
An internet-scale idea generation system
ACM Transactions on Interactive Intelligent Systems (TiiS) - Special section on internet-scale human problem solving and regular papers
Probing bus stop for insights on transit co-design
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Gaussian process-based predictive modeling for bus ridership
Proceedings of the 2013 ACM conference on Pervasive and ubiquitous computing adjunct publication
From sensing to controlling: the state of the art in ubiquitous crowdsourcing
International Journal of Communication Networks and Distributed Systems
Cobi: a community-informed conference scheduling tool
Proceedings of the 26th annual ACM symposium on User interface software and technology
Motivating contribution in a participatory sensing system via quid-pro-quo
Proceedings of the 17th ACM conference on Computer supported cooperative work & social computing
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Crowd-sourcing social computing systems represent a new material for HCI designers. However, these systems are difficult to work with and to prototype, because they require a critical mass of participants to investigate social behavior. Service design is an emerging research area that focuses on how customers co-produce the services that they use, and thus it appears to be a great domain to apply this new material. To investigate this relationship, we developed Tiramisu, a transit information system where commuters share GPS traces and submit problem reports. Tiramisu processes incoming traces and generates real-time arrival time predictions for buses. We conducted a field trial with 28 participants. In this paper we report on the results and reflect on the use of field trials to evaluate crowd-sourcing prototypes and on how crowd sourcing can generate co-production between citizens and public services.