Discovering context: classifying tweets through a semantic transform based on wikipedia
FAC'11 Proceedings of the 6th international conference on Foundations of augmented cognition: directing the future of adaptive systems
CiVo: real-time visualization of social activities by cartoonized twitter
ICEC'11 Proceedings of the 10th international conference on Entertainment Computing
Fast track article: Balancing behavioral privacy and information utility in sensory data flows
Pervasive and Mobile Computing
A flexible tool for participating, authoring, and managing citizen science campaigns on-the-go
Proceedings of the 2012 ACM Conference on Ubiquitous Computing
Factors influencing the response rate in social question and answering behavior
Proceedings of the 2013 conference on Computer supported cooperative work
Proceedings of the 2013 conference on Computer supported cooperative work
'What affects me?': a smart public alert system based on stream reasoning
Proceedings of the 7th International Conference on Ubiquitous Information Management and Communication
Pervasive social context: Taxonomy and survey
ACM Transactions on Intelligent Systems and Technology (TIST) - Special Sections on Paraphrasing; Intelligent Systems for Socially Aware Computing; Social Computing, Behavioral-Cultural Modeling, and Prediction
International Journal of Ad Hoc and Ubiquitous Computing
A mobile crowdsensing system enhanced by cloud-based social networking services
Proceedings of the First International Workshop on Middleware for Cloud-enabled Sensing
From taxi GPS traces to social and community dynamics: A survey
ACM Computing Surveys (CSUR)
A Reputation Framework for Social Participatory Sensing Systems
Mobile Networks and Applications
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Despite the availability of the sensor and smart-phone devices to fulfill the ubiquitous computing vision, the-state-of-the-art falls short of this vision. We argue that the reason for this gap is the lack of an infrastructure to task/utilize these devices for collaboration. We propose that microblogging services like Twitter can provide an "open" publish-subscribe infrastructure for sensors and smartphones, and pave the way for ubiquitous crowd-sourced sensing and collaboration applications. We design and implement a crowd-sourced sensing and collaboration system over Twitter, and showcase our system in the context of two applications: a crowd-sourced weather radar, and a participatory noise-mapping application. Our results from real-world Twitter experiments give insights into the feasibility of this approach and outline the research challenges in sensor/smartphone integration to Twitter.