Why web 2.0 is good for learning and for research: principles and prototypes C Ullrich, K Borau, H Luo, X Tan, L Shen, R Shen Proceedings of the 17th international conference on World Wide Web, 705-714, 2008 | 427 | 2008 |
ActiveMath: A generic and adaptive web-based learning environment E Melis, E Andres, J Büdenbender, A Frischauf, G Goguadze, P Libbrecht, ... International Journal of Artificial Intelligence in Education 12 (4), 385-407, 2001 | 418 | 2001 |
Microblogging for language learning: Using twitter to train communicative and cultural competence K Borau, C Ullrich, J Feng, R Shen International conference on web-based learning, 78-87, 2009 | 411 | 2009 |
A collaborative filtering framework based on both local user similarity and global user similarity H Luo, C Niu, R Shen, C Ullrich Machine Learning 72 (3), 231-245, 2008 | 146 | 2008 |
Semantic‐aware components and services of ActiveMath E Melis, G Goguadze, M Homik, P Libbrecht, C Ullrich, S Winterstein British Journal of Educational Technology 37 (3), 405-423, 2006 | 123 | 2006 |
Proof Development with Ωmega J Siekmann, C Benzmüller, V Brezhnev, L Cheikhrouhou, A Fiedler, ... International Conference on Automated Deduction, 144-149, 2002 | 110 | 2002 |
Description of an instructional ontology and its application in web services for education C Ullrich Proceedings of Workshop on Applications of Semantic Web Technologies for E …, 2004 | 99 | 2004 |
A social network analysis perspective on student interaction within the twitter microblogging environment K Stepanyan, K Borau, C Ullrich 2010 10th IEEE international conference on advanced learning technologies, 70-72, 2010 | 96 | 2010 |
Course Generation Based on HTN Planning. C Ullrich LWA, 74-79, 2005 | 92 | 2005 |
A mobile live video learning system for large-scale learning—system design and evaluation C Ullrich, R Shen, R Tong, X Tan IEEE Transactions on Learning Technologies 3 (1), 6-17, 2010 | 91 | 2010 |
The learning-resource-type is dead, long live the learning-resource-type C Ullrich Learning Objects and Learning Designs 1 (1), 7-15, 2005 | 80 | 2005 |
Pedagogically founded courseware generation for web-based learning: an HTN-planning-based approach implemented in PAIGOS C Ullrich Springer, 2008 | 78 | 2008 |
Combining its and elearning technologies: Opportunities and challenges C Brooks, J Greer, E Melis, C Ullrich International Conference on Intelligent Tutoring Systems, 278-287, 2006 | 77 | 2006 |
Pedagogically founded courseware generation based on HTN-planning C Ullrich, E Melis Expert Systems with Applications 36 (5), 9319-9332, 2009 | 68 | 2009 |
Knowledge representation and management in activemath E Melis, J Büdenbender, G Goguadze, P Libbrecht, C Ullrich Annals of Mathematics and Artificial Intelligence 38 (1), 47-64, 2003 | 65 | 2003 |
Towards responsive open learning environments: the ROLE interoperability framework S Govaerts, K Verbert, D Dahrendorf, C Ullrich, M Schmidt, M Werkle, ... European Conference on Technology Enhanced Learning, 125-138, 2011 | 61 | 2011 |
Sparse group restricted boltzmann machines H Luo, R Shen, C Niu, C Ullrich Proceedings of the AAAI Conference on Artificial Intelligence 25 (1), 429-434, 2011 | 58 | 2011 |
From LMS to PLE: a step forward through opensocial apps in Moodle E Bogdanov, C Ullrich, E Isaksson, M Palmér, D Gillet International Conference on Web-Based Learning, 69-78, 2012 | 41 | 2012 |
Who students interact with? a social network analysis perspective on the use of twitter in language learning C Ullrich, K Borau, K Stepanyan European Conference on Technology Enhanced Learning, 432-437, 2010 | 40 | 2010 |
A generic and adaptive web-based learning environment E Melis, E Andres, A Franke, G Goguadse, M Kohlhase, P Libbrecht, ... Artificial Intelligence and Education, 385-407, 2001 | 40 | 2001 |