Alviss

The specification of a policy is performed in a policy language, usually following a textual representation. However, humans process images faster than text and they are prepared to process information presented in two or more dimensions: sometimes it is easier to explain things using figures and their graphical relations than writing textual representations. This paper describes a visual language...

Social media is a great source of data for analyses, since they provide ways for people to share emotions, feelings, ideas, and even symptoms of diseases. By the end of 2019, a global pandemic alert was raised, relative to a virus that had a high contamination rate and could cause respiratory complications. To help identify those who may have the symptoms of this disease or to detect who is alread...

Higher education institutions have adopted education, research and cooperation as their main missions. Students, teachers and non-teaching staff articulate for lecturing, researching and developing projects and internships, according to the institution goals and strategy. Quality evaluation is of the utmost importance in the whole process, as it allows providing a competent and rigorous service as...

Information technology has been under unprecedented transformations and it is dramatically changing the way of work inside organizations. Information management systems must be adequate to cope with the profound effects of this evolution, whose expectations include the introduction into the networks of enormous quantities of different elements. The mobile agent paradigm seems to be, for many resea...

Friendliness on user interfaces has been mostly forgot in mobile agent research. In fact the multitude of problems that have to be solved have left this more “simple” piece of the package out of target. However, the success of technology comes also from this important layer in the product development.

Policy Based Network Management has been presented as a paradigm for efficient and customisable management systems. The IETF has provided a framework to describe the concept but some aspects still open like transactional control. In fact transactional control mechanisms are receiving today great attention in the scope of network management. In here, we identify the lacks of current management para...