We show how to convert regular keyboard-entry CAPTCHAs into clickable CAPTCHAs. The goal of this conversion is to simplify and speed-up the entry of the CAPTCHA solution, to minim...
Richard Chow, Philippe Golle, Markus Jakobsson, Lu...
The development of sensing systems for urban deployments is still in its infancy. An interesting unresolved issue is the precise role assumed by people within such systems. This i...
Nicholas D. Lane, Shane B. Eisenman, Mirco Musoles...
The recent explosion in shared media content and sensed data produced by mobile end-users is challenging well-established principles and assumptions in data trust models. A fundam...
Vincent Lenders, Emmanouil Koukoumidis, Pei Zhang,...
Cost is one of the key challenges facing the deployment of wireless networks. Though 802.11-based networks have shown that costly, licensed spectrum is not always necessary, the c...
Air pollution, traffic congestion, stress and accidents are common features of today’s road transportation experience. New approaches to improving the efficiency and safety of t...
Vinny Cahill, Aline Senart, Douglas C. Schmidt, St...