Many community organizations rely extensively on volunteer work. However, people who wish to help often have difficulties finding the time to volunteer. We are developing mobile s...
Abstract. The Web is constantly evolving into an unprecedented and continuously growing source of knowledge, information and services, potentially accessed at by anyone anytime, an...
Internet pervasive services call for flexible supports to enable a wide degree of collaboration. On the one hand, many people are connected to the Internet and surf the Web not on...
Typical conversational recommender systems support interactive strategies that are hard-coded in advance and followed rigidly during a recommendation session. In fact, Reinforceme...
The authors have some experience in building virtual worlds for education purposes, in archaeology and for language learning. However, many mainstream world-building applications ...