Models for Universal Usability

This paper discusses how model-based approaches can support designers and developers to address a number of challenges raised by universal usability, such as the possibility of obtaining user interfaces able to adapt to any device and usability evaluation tools able to ana-lyse any users who can be located anywhere. The pa-per provides an overview concerning results that can be obtained in this area with links to activities carried out in current projects. Lastly, a research agenda for the field is proposed and discussed.