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During the last decade e-learning has become a widely accepted and commonly used educational tool. The main aim of our paper was to compare students' attitudes towards e-learning in Croatia and Scotland, and also to identify two relatively homogeneous groups of students according to their perceptions. T-tests and cluster analysis, in a data mining context, were used in this study and results confirm...
It is obvious that internet has become a key media to share resources and exchange information. As a special category of social activities, the behavior from network users normally shows its complexity and diversity, which makes people pay an increased attention to study and manage it. Based upon the formation mechanism of ant colony, this paper proposes an ant colony algorithm to do cluster analysis...
This paper focuses on web pages clustering as a tool for typical Web patterns searching and using. Traditional methods of cluster analysis, self-organizing map and nonnegative matrix factorization were applied. Web pages on products sale and automatically detected Web patterns were used as a testing data. The application of GD-CLS (gradient descent constrained least squares) which combines some of...
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