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In the current time of globalization, collaboration among people in virtual environments is becoming an important precondition of success. This trend is reflected also in the educational domain where students collaborate in various short-term groups created repetitively but changing in each round (e.g. in MOOCs). Students in these kind of dynamic groups quite often encounter various difficulties,...
Microblogs are a phenomenon of modern social media. As there is much real-time social information in there, they are candidates to be used as a source for mining important information enhancing user experience in variety of web applications, especially those related with content adaptation and recommendation. In this paper we deal with microblog-based user models. We propose trend-aware user model...
Domain model with its metadata is essential part of every adaptive educational system. At the same time it is often a bottleneck as quality metadata is essential requirement and their manual creation is difficult or even impossible in some extent. So any effort in automated acquisition of metadata is crucial for effective learning supported by an educational system. In this paper we propose a method...
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