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Over the last few years educative games have been on a rise. They have been shown to improve insight, involvement, engagement in the subject, scientific discourse, reasoning and inquiry. They have been used in schools with success and good results. However recent studies show that in spite of this potential, games are often misused and are hard to integrate in the instructional environment. Often it is not clear what a game contributes to a students learning or how it should be used because of a lack of learning objectives and outcomes. In this study I propose a method that provides and...

This book constitutes the proceedings of the International Workshop on Vagueness in Communication, VIC 2009, held as part of ESSLLI 2009, in Bordeaux, France, July 20-24, 2009.The 11 contributions presented shed a light on new aspects in the area of vagueness in natural language communication. In contrast to the classical instruments of dealing with vagueness - like multi-valued logics, truth value gaps or gluts, or supervaluations - this volume presents new approaches like context-sensitivity of vagueness, the sharpening of vague predicates in context, and the modeling of precision levels.