—Bringing together heterogeneous computing devices and appliances gives rise to a spontaneous environment where resources exchange messages, such as a mobile phone telling the ca...
The Wireless environment requires new type of services and new ways for structuring the needed content. Personalization comes into aid via the creation of personalized portals tha...
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...
Several challenging new applications demand the ability to do data mining on resource constrained devices. One such application is that of monitoring physiological data streams ob...
Credit card transactions are a popular and diffused means of payment over the network. Unfortunately, current technology does not allow us to technically solve disputes that may ...