Service-oriented architectures (SOA) and, in particular, Web Services designs are currently widely used for the development of open, large-scale interoperable systems. In those sys...
In this paper we identify the requirements for creating formal descriptions of learning scenarios designed under the European Higher Education Area paradigm, using competences and ...
Usability has often been sold as the silver bullet for solving the problems of unprofitable online stores. Although better usability will generally improve these sites and their p...
We propose a generic presentation system for adaptive educational hypermedia that is highly independent from domain knowledge representation and application state management. Our a...
This research characterizes the spontaneous spoken disfluencies typical of human-computer interaction, and presents a predictive model accounting for their occurrence. Data were c...