Abstract. Prepay usage as a percentage of overall mobile phone access has increased sharply over the past several years. However, the recharging process is still largely manual wit...
J. Burgett, S. Hussain, Catholijn M. Jonker, A. Ra...
: The usability of a computer system can be improved by design of the user interface, and, as importantly, by design of usersystem interactions. Our research presents usability-imp...
: The number of ” interactive surface” systems, especially tabletop interfaces, in public is increasing. As more and more casual users interact with such systems, they may wish...
Advances in mobile devices and wireless telecommunication infrastructure already provide mobile users with access to online information sources and services. Compared to the PC-wo...
—Social network information is now being used in ways for which it may have not been originally intended. In particular, increased use of smartphones capable of running applicati...