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This book constitutes the proceedings of the 12th European Conference on Technology Enhanced Learning, EC-TEL 2017, held in Tallinn, Estonia, in September 2017.
The 24 full papers, 23 short papers, 6 demo papers, and 22 poster papers presented in this volume were carefully reviewed and selected from 141 submissions.
The theme for the 12th EC-TEL conference on Data Driven Approaches in Digital Education´ aims to explore the multidisciplinary approaches that eectively illustrate how data-driven education combined with digital education systems can look like and what are the empirical evidences for the use of datadriven tools in educational practices.

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Technology-Enhanced Learning.- Computer-assisted instruction.- Interactive learning environments.- Collaborative learning.- Learning management systems.- Distance learning.- E-Learning.- Data analytics.- Visual analytics.- Information visualization.- Online learning algorithms.- Machine learning.- Learning Anlaytics.- Recommender Systems.

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