The link-prediction problem for social networks
Journal of the American Society for Information Science and Technology
IEEE Pervasive Computing
The WEKA data mining software: an update
ACM SIGKDD Explorations Newsletter
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics - Special issue on human computing
On the leakage of personally identifiable information via online social networks
ACM SIGCOMM Computer Communication Review
You are who you know: inferring user profiles in online social networks
Proceedings of the third ACM international conference on Web search and data mining
Social sensing for epidemiological behavior change
Proceedings of the 12th ACM international conference on Ubiquitous computing
The Jigsaw continuous sensing engine for mobile phone applications
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
Discovering human places of interest from multimodal mobile phone data
Proceedings of the 9th International Conference on Mobile and Ubiquitous Multimedia
Social fMRI: Investigating and shaping social mechanisms in the real world
Pervasive and Mobile Computing
Journal of the American Society for Information Science and Technology
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Mobile phones are quickly becoming the primary source for social, behavioral, and environmental sensing and data collection. Today's smartphones are equipped with increasingly more sensors and accessible data types that enable the collection of literally dozens of signals related to the phone, its user, and its environment. A great deal of research effort in academia and industry is put into mining this raw data for higher level sense-making, such as understanding user context, inferring social networks, learning individual features, and behavior prediction. In this work we investigate the properties of learning and inferences of real world data collected via mobile phones. In particular, we look at the dynamic learning process over time with various sizes of sampling groups and examine the interplay between these two parameters. We validate our model using extensive simulations carried out using the "Friends and Family" dataset which contains rich data signals gathered from the smartphones of 140 adult members of a young-family residential community for over a year and is one of the most comprehensive mobile phone datasets gathered in academia to date.