25-02-2018 22:30:05

Social Sensing: Making Reliable Observations from Unreliable Data - on demand webinar

Arrangør: IDA Matematik
Medarrangører: IDA Fremtidsteknologi, IDA IT

(This webinar is recorded the 22-4-14)

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Social Sensing: Making Reliable Observations from Unreliable Data

Electronic media and social networks have greatly facilitated data sharing at scale, allowing for a fire-hose of human observations to pour-in about events in the physical world in near real-time.

This talk discusses experiences and analytic foundations for using humans as sensors, viewing social networks and human volunteers as sensor networks. Unlike well-calibrated devices, humans may be less reliable, poorly characterized, and prone to exaggeration, bias, and rumor propagation.

The talk presents recent case studies on reliably sampling the physical world from human observations. Issues of inferring independence of measurements, reliability of observers, and probability of correctness of reported observations are addressed.

Applications are presented on observing real-world events (such as hurricanes, earthquakes, and civil unrest) using humans as sensors.

The talk concludes with open challenges in the area of social sensing; a new frontier for pervasive embedded systems, where humans are active contributors to observation tasks.

Speaker: Professor Tarek Abdelzaher, University of Illinois, USA
Bio: Tarek Abdelzaher received his Ph.D. from the University of Michigan in 1999 on Quality of Service Adaptation in Real-Time Systems. He has been an Assistant Professor at the University of Virginia, where he founded the Software Predictability Group. He is currently a Professor and Willett Faculty Scholar at the Department of Computer Science, the University of Illinois at Urbana Champaign. He has authored/coauthored more than 170 refereed publications in real-time computing, distributed systems, sensor networks, and control. He is an Editor-in-Chief of the Journal of Real-Time Systems, and has served as Associate Editor of the IEEE Transactions on Mobile Computing, IEEE Transactions on Parallel and Distributed Systems, IEEE Embedded Systems Letters, the ACM Transaction on Sensor Networks, and the Ad Hoc Networks Journal. He chaired (as Program or General Chair) several conferences in his area including RTAS, RTSS, IPSN, Sensys, DCoSS, ICDCS, and ICAC. Abdelzaher's research interests lie broadly in understanding and controlling performance and temporal properties of networked embedded and software systems in the face of increasing complexity, distribution, and degree of embedding in an external physical environment. Tarek Abdelzaher is a recipient of the IEEE Outstanding Technical Achievement and Leadership Award in Real-time Systems (2012), the Xerox Award for Faculty Research (2011), as well as several best paper awards. He is a member of IEEE and ACM.

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