De wereld van social media is sterk aan verandering onderhevig. Social media maken het voor organisaties mogelijk om gemakkelijk(er) de dialoog aan te gaan met hun doelgroep(en). Door social media kunnen zij op een gemakkelijke, snelle manier een groot bereik genereren. Verschillende autoriteiten op …

This paper frames the process of designing a level in a game as a series of model transformations. The transformations correspond to the application of particular design principles, such as the use of locks and keys to transform a linear mission into a branching space. It shows that by using rewrite …

Traditional information systems for crisis response and management are centralized systems with a rigid hierarchical structure. Here we propose a decentralized system, which allows citizens to play a significant role as information source and/or as helpers during the initial stages of a crisis. In our …

A formal description of a database consists of the description of the relations (tables) of the database together with the constraints that must hold on the database. Furthermore the contents of a database can be retrieved using queries. These constraints and queries for databases can very well be formalized. …