We present a study focusing on the usability of a wayfinding and localization system for persons with visual impairment. This system uses special color markers, placed at key loca...
Roberto Manduchi, Sri Kurniawan, Homayoun Bagherin...
A number of languages exist that try to model the external visible behavior of services. However, they constitute incomplete solutions, either because, they do not include proper ...
This paper describes an algorithm for determining if an event occurs persistently within an interval where the interval is periodic but the event is not. The goal of the algorithm...
An e-Government portal is responsible to provide news, information and services to citizens, merchants and tourists in a reliable way. Previously, we proposed a Web Monitoring Sys...
Users are increasingly dependent on mobile devices. However, current authentication methods like password entry are significantly more frustrating and difficult to perform on these...
Elaine Shi, Yuan Niu, Markus Jakobsson, Richard Ch...