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…
Continue ReadingUnderstanding 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…
Continue ReadingHonorable 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]
Continue ReadingAnalysis of the CHI research community’s knowledge map
Our paper (CHI 1994-2013: Mapping two decades of intellectual progress through co-word analysis) received an Honorable Mention at the CHI 2014 conference. The paper is a graph-based analysis of papers published at CHI between 1994 and 2013. In this blog entry we try to explain the motivation for the paper and provide some useful background. Motivation If you are an…
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