Congratulations to Jakob Rogstadius who defended his PhD on January 6, 2015. His opponents were Vincenzo Bollettino (Harvard University) and Rui Jose (University of Minho). Jakob’s thesis was entitled Enhancing Disaster Situational Awareness Through Scalable Curation of Social Media. You can read more about his thesis in this post. Photo: Taken shortly after Jakob’s defense with the members of his jury. From left: Maria…
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Smartphone communication using magnetic fields
In a recent paper we published at Ubicomp 2014 we demonstrate how magnetic fields can be used for communication purposes on smartphones. Specifically, we show how a phone’s magnetometer can be used to capture and decode information that is implicitly encoded in a magnetic field. In this article we provide a high-level description of how our system (Pulse) works. You…
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Understanding Mobile Privacy and Security Concerns
Motivation Smartphone users are unable to preemptively identify potential mobile application malware. We developed Securacy, a mobile application that: crowdsources users’ concerns of application’s security and privacy (i.e., securacy); informs the users of potential risks; reveals hidden application network connections to servers; and pinpoints the applications’ servers location. We propose an alternative for handling permissions and abstract them as user’s…
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Honorable mention award at CHI 2014
Our paper entitled CHI 1994-2013: Mapping two decades of intellectual progress through co-word analysis has received an Honorable Mention award at the CHI 2014 conference. You can read an online summary of our paper, or find the paper in our publications. [bibtex key=Liu:Chi:2014]
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