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—Immersive 3D worlds have increasingly raised the interest of researchers and practitioners for various learning and training settings over the last decade. These virtual worlds can provide multiple communication channels between users and improve presence and awareness in the learning process. Consequently virtual 3D environments facilitate collaborative(More)
Based on the overall aims of the AdeLE (Adaptive e-Learning with Eye-Tracking) project, and in particular motivated by the decision of using a strictly separated system's architecture, the requirements for the modeling system and its implementation as a micro-service-oriented architecture is addressed in this paper. Furthermore, experiences and lessons(More)
We live in an era of ever-increasing abundance of data. To cope with the information overload we suffer from every single day, more sophisticated methods are required to access, manipulate, and analyze these humongous amounts of data. By embracing the heterogeneity, which is unavoidable at such a scale, and accepting the fact that the data quality and(More)
Attracting and engaging computer science students to enhance their mathematical and algorithmic thinking skills are challenging tasks. In winter 2013 we introduced a new teaching format for a course, which combines theory in computer science with hands-on algorithmic challenges, mathematical thinking activities, and collaborative problem-solving. Therefore,(More)
The xFIND gatherer broker architecture provides a wealth of metadata, which can be used to provide sophisticated search functionality. Local or remote documents are indexed and summaries and metadata stored on an xFIND broker (server). An xFIND client can search a particular broker and access rich metadata for search result presentation, without having to(More)
This paper gives a short description of a working prototype of an intelligent background knowledge broker as an enhancement module of the Web base training system GENTLE [Maurer and Dietinger 97a, Dietinger and Maurer 98a]. The dynamic and the static library represent a most relevant knowledge repository, which is automatically enlarged and improved by the(More)
This paper is a short description of HIKS, a working prototype of an interactive knowledge management system. HIKS might be used as a dynamic background library in a Web-based training environment. Research in the field of Web-based learning at the [IICM] has shown that courseware combined only with static background libraries does not satisfy the learners'(More)