The deliverable also introduces metrics for accessibility evaluation, analyse relevant metrics for web accessibility, and report some research work that has been carried out on this topic, up to the most  ...  We compared them based on some critical features at the end of the section.  ...  The proposed metric is the Web Accessibility Experience Metric (WAEM), where an optimal weighting is obtained by considering the Partial User Experience Order (PUEXO), that is pairwise comparison between  ... 

A novel user interface design, entitled Medusa, that adopts guidelines for the design of metaphor-based systems, and for helping the user develop successful mental models, based on the QPT analysis and  ...  In particular, the approach of basing the design and behaviour of on-screen objects in the system's model world on a coherent theme and employing a metaphor is explored.  ...  This agent is based on a completion of the partial description of a file store agent given in Abowd (1991) .  ...