Katja Niemann
Katja Niemann
Fraunhofer Institute for Applied Information Technology
Geverifieerd e-mailadres voor fit.fraunhofer.de
Titel
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A new collaborative filtering approach for increasing the aggregate diversity of recommender systems
K Niemann, M Wolpers
Proceedings of the 19th ACM SIGKDD international conference on Knowledge …, 2013
782013
CAMera for PLE
HC Schmitz, M Scheffel, M Friedrich, M Jahn, K Niemann, M Wolpers
European conference on technology enhanced learning, 507-520, 2009
652009
Contextualized attention metadata
HC Schmitz, M Wolpers, U Kirschenmann, K Niemann
Human attention in digital environments, 186-209, 2011
632011
Usage pattern recognition in student activities
M Scheffel, K Niemann, A Pardo, D Leony, M Friedrich, K Schmidt, ...
European Conference on Technology Enhanced Learning, 341-355, 2011
272011
Skill-Based scouting of open management content
K Niemann, U Schwertel, M Kalz, A Mikroyannidis, M Fisichella, ...
European Conference on Technology Enhanced Learning, 632-637, 2010
252010
Aggregating social and usage datasets for learning analytics: Data-oriented challenges
K Niemann, M Wolpers, G Stoitsis, G Chinis, N Manouselis
Proceedings of the Third International Conference on Learning Analytics and …, 2013
232013
Usage contexts for object similarity: exploratory investigations
K Niemann, HC Schmitz, M Scheffel, M Wolpers
Proceedings of the 1st International Conference on Learning Analytics and …, 2011
232011
Demands of modern PLEs and the ROLE approach
U Kirschenmann, M Scheffel, M Friedrich, K Niemann, M Wolpers
European Conference on Technology Enhanced Learning, 167-182, 2010
222010
A novel approach towards skill-based search and services of Open Educational Resources
KH Ha, K Niemann, U Schwertel, P Holtkamp, H Pirkkalainen, D Boerner, ...
Research Conference on Metadata and Semantic Research, 312-323, 2011
212011
Usage-based Object Similarity.
K Niemann, M Scheffel, M Friedrich, U Kirschenmann, HC Schmitz, ...
J. Univers. Comput. Sci. 16 (16), 2272-2290, 2010
212010
Peeking into the black box: visualising learning activities
RM Crespo García, A Pardo, C Delgado Kloos, K Niemann, M Scheffel, ...
International Journal of Technology Enhanced Learning 4 (1-2), 99-120, 2012
192012
Bridging repositories to form the MACE experience
M Wolpers, M Memmel, J Klerkx, G Parra, B Vandeputte, E Duval, ...
New Review of Information Networking 14 (2), 102-116, 2009
192009
Key action extraction for learning analytics
M Scheffel, K Niemann, D Leony, A Pardo, HC Schmitz, M Wolpers, ...
European Conference on Technology Enhanced Learning, 320-333, 2012
182012
Analyzing the impact of using optional activities in self-regulated learning
JA Ruipérez-Valiente, PJ Muñoz-Merino, CD Kloos, K Niemann, ...
IEEE Transactions on Learning Technologies 9 (3), 231-243, 2016
172016
Usage context-boosted filtering for recommender systems in TEL
K Niemann, M Wolpers
European Conference on Technology Enhanced Learning, 246-259, 2013
172013
Creating usage context-based object similarities to boost recommender systems in technology enhanced learning
K Niemann, M Wolpers
IEEE Transactions on Learning Technologies 8 (3), 274-285, 2014
162014
Detecting and Reflecting Learning Activities in Personal Learning Environments.
A Nussbaumer, M Scheffel, K Niemann, M Kravcik, D Albert
ARTEL@ EC-TEL, 125-131, 2012
162012
An overview of usage data formats for recommendations in TEL
K Niemann, M Scheffel, M Wolpers
2 nd Workshop on Recommender Systems for Technology Enhanced Learning …, 2012
152012
Do optional activities matter in virtual learning environments?
JA Ruipérez-Valiente, PJ Muñoz-Merino, CD Kloos, K Niemann, ...
European Conference on Technology Enhanced Learning, 331-344, 2014
132014
Openscout: harvesting business and management learning objects from the web of data
R Kawase, M Fisichella, K Niemann, V Pitsilis, A Vidalis, P Holtkamp, ...
Proceedings of the 22nd International Conference on World Wide Web, 445-450, 2013
122013
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Artikelen 1–20