Katja Niemann

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Carlos Delgado KloosProfessor (Catedrático de Universidad), Universidad Carlos III de MadridVerified email at it.uc3m.es
Abelardo PardoProfessor. UniSA STEM, University of South Australia.Verified email at unisa.edu.au
Philipp HoltkampResearcher, University of JyväskyläVerified email at jyu.fi
Derick LeonyAlumni, Carlos III University of MadridVerified email at it.uc3m.es
Pedro J. Muñoz MerinoAssociate Professor, Universidad Carlos III de MadridVerified email at it.uc3m.es
Jan PawlowskiProfessor Business Information Systems, Ruhr West University of Applied Sciences; Research ProfessorVerified email at hs-ruhrwest.de
Henri PirkkalainenAssociate Professor (Tenure track), Tampere UniversityVerified email at tuni.fi
Marco KalzProfessor of Technology-Enhanced Learning, Heidelberg University of EducationVerified email at ph-heidelberg.de
Ricardo KawaseMobile.de | eBay Inc.Verified email at l3s.de
Dr. Marco FisichellaHead Data Science and Data Engineer at Risk Ident GmbH - Otto GroupVerified email at l3s.de
Marcus SpechtProfessor Digital Education, Delft University of TechnologyVerified email at tudelft.nl
Hendrik DrachslerProfessor of Educational Technologies, DIPF.de, Goethe University Frankfurt, Open University NLVerified email at dipf.de
José A. Ruipérez-ValienteSenior Researcher, University of MurciaVerified email at um.es
Nikos ManouselisAgroknowVerified email at agroknow.com
Erik DuvalProfessor of Computer Science, K.U.LeuvenVerified email at cs.kuleuven.be
Joris KlerkxPost-doctoral Research ExpertVerified email at cs.kuleuven.be
Alexander MikroyannidisThe Open UniversityVerified email at open.ac.uk
Giannis StoitsisAgroknowVerified email at agroknow.com
Dirk BörnerOpen University of the NetherlandsVerified email at ou.nl
Bram VandeputteComputer Science, Katholieke Universiteit Leuven, BelgiumVerified email at cs.kuleuven.be

Katja Niemann

Fraunhofer Institute for Applied Information Technology

Verified email at fit.fraunhofer.de

Recommender Systems Data Mining Information Retrieval Technology Enhanced Learning


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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	75	2013
CAMera for PLE HC Schmitz, M Scheffel, M Friedrich, M Jahn, K Niemann, M Wolpers European conference on technology enhanced learning, 507-520, 2009	65	2009
Contextualized attention metadata HC Schmitz, M Wolpers, U Kirschenmann, K Niemann Human attention in digital environments, 186-209, 2011	60	2011
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	27	2011
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	24	2010
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	22	2013
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	22	2011
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	21	2010
Usage-based Object Similarity. K Niemann, M Scheffel, M Friedrich, U Kirschenmann, HC Schmitz, ... J. UCS 16 (16), 2272-2290, 2010	21	2010
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	20	2011
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	18	2012
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	18	2009
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	17	2016
Usage context-boosted filtering for recommender systems in TEL K Niemann, M Wolpers European Conference on Technology Enhanced Learning, 246-259, 2013	17	2013
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	17	2012
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	16	2012
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	15	2014
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	15	2012
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	13	2013
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	12	2014

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