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In this paper we present "Homie" an artificial companion for elderly people. Our approach emphasizes amusement and benefit - amusement in form of entertainment and benefit in terms of medical care. The key to awake elderly people's emotional engagement in an artificial companion is its emotional behavior. Therefore, we propose a companion that does not look(More)
Contemporary video games are highly complex systems with many interacting variables. To make sure that a game provides a satisfying experience, a meaningful analysis of gameplay data is crucial, particularly because the quality of a game directly relates to the experience a user gains from playing it. Automatic instrumentation techniques are increasingly(More)
Instrumentation to automatically log information – so called gameplay metrics – about the player-game interaction has become an important tool for analyzing player behavior in games. However, due to the usually large amount of gathered data, analysis of the collected data can be challenging. Visualizations have become a promising addition to statistical(More)
Finding dierences between two processes can be a complex, time consuming, and expensive task. Our work is based on the dierence graph approach which calculates the dierences between two process models and if available their instances. In this paper we evaluate dierent possibilities for visualizing these dierences. For this purpose we have selected some(More)