Katja Niemann

ORCID

Publication Activity (10 Years)

Years Active: 2008-2016
Publications (10 Years): 6

Top Venues

EC-TEL

LAK

IEEE Trans. Learn. Technol.

VISLA@LAK

RWTH Aachen University, Germany (PHD)

Education History

RWTH Aachen University, Germany

PHD

Publications

José A. Ruipérez Valiente, Pedro J. Muñoz Merino, Carlos Delgado Kloos, Katja Niemann, Maren Scheffel, Martin Wolpers
Analyzing the Impact of Using Optional Activities in Self-Regulated Learning. IEEE Trans. Learn. Technol. 9 (3) (2016)
Katja Niemann
Ermittlung nutzungsbasierter Ähnlichkeiten zwischen Objekten zur Unterstützung von Empfehlungssystemen im Umgang mit selten genutzten Objekten. Ausgezeichnete Informatikdissertationen (2015)
Katja Niemann
Increasing the accessibility of learning objects by automatic tagging. LAK (2015)
Katja Niemann
Automatic Tagging of Learning Objects Based on Their Usage in Web Portals. EC-TEL (2015)
Katja Niemann, Martin Wolpers
Creating Usage Context-Based Object Similarities to Boost Recommender Systems in Technology Enhanced Learning. IEEE Trans. Learn. Technol. 8 (3) (2015)
Katja Niemann, Maren Scheffel, Sarah Leon Rojas, Martin Wolpers, Hendrik Drachsler, Marcus Specht
Getting a Grasp on Tag Collections by Visualising Tag Clusters Based on Higher-order Co-occurrences. VISLA@LAK (2015)
Katja Niemann, Martin Wolpers
Usage-Based Clustering of Learning Resources to Improve Recommendations. EC-TEL (2014)
Maren Scheffel, Katja Niemann, Sarah Leon Rojas, Hendrik Drachsler, Marcus Specht
Spiral me to the core: Getting a visual grasp on text corpora through clusters and keywords. LAK Workshops (2014)
José A. Ruipérez Valiente, Pedro J. Muñoz Merino, Carlos Delgado Kloos, Katja Niemann, Maren Scheffel
Do Optional Activities Matter in Virtual Learning Environments? EC-TEL (2014)
Katja Niemann, Martin Wolpers
A new collaborative filtering approach for increasing the aggregate diversity of recommender systems. KDD (2013)
Katja Niemann, Martin Wolpers, Giannis Stoitsis, Georgios Chinis, Nikos Manouselis
Aggregating social and usage datasets for learning analytics: data-oriented challenges. LAK (2013)
Enayat Rajabi, Wolfgang Greller, Katja Niemann, Kostas Kastrantas, Salvador Sánchez-Alonso
Social data interoperability in educational repositories and federations. Int. J. Metadata Semant. Ontologies 8 (2) (2013)
Katja Niemann, Martin Wolpers
Usage Context-Boosted Filtering for Recommender Systems in TEL. EC-TEL (2013)
Ricardo Kawase, Marco Fisichella, Katja Niemann, Vassilis Pitsilis, Aristides Vidalis, Philipp Holtkamp, Bernardo Pereira Nunes
OpenScout: harvesting business and management learning objects from the web of data. WWW (Companion Volume) (2013)
Alexander Nussbaumer, Maren Scheffel, Katja Niemann, Milos Kravcik, Dietrich Albert
Detecting and Reflecting Learning Activities in Personal Learning Environments. ARTEL@EC-TEL (2012)
Katja Niemann, Maren Scheffel, Martin Wolpers
A Comparison of Usage Data Formats for Recommendations in TEL. RecSysTEL@EC-TEL (2012)
Katja Niemann, Hans-Christian Schmitz, Uwe Kirschenmann, Martin Wolpers, Anna Schmidt, Tim Krones
Clustering by usage: higher order co-occurrences of learning objects. LAK (2012)
Maren Scheffel, Katja Niemann, Derick Leony, Abelardo Pardo, Hans-Christian Schmitz, Martin Wolpers, Carlos Delgado Kloos
Key Action Extraction for Learning Analytics. EC-TEL (2012)
Marc-Andre Orthmann, Martin Friedrich, Uwe Kirschenmann, Katja Niemann, Maren Scheffel, Hans-Christian Schmitz, Martin Wolpers
Usage-based Clustering of Learning Objects for Recommendation. ICALT (2011)
Kyung-Hun Ha, Katja Niemann, Uta Schwertel, Philipp Holtkamp, Henri Pirkkalainen, Dirk Börner, Marco Kalz, Vassilis Pitsilis, Ares Vidalis, Dimitra Pappa, Markus Bick, Jan M. Pawlowski, Martin Wolpers
A Novel Approach towards Skill-Based Search and Services of Open Educational Resources. MTSR (2011)
Martin Wolpers, Martin Memmel, Katja Niemann, Joris Klerkx, Marcus Specht, Alberto Giretti, Erik Duval
Aggregating metadata to improve access to resources. IRI (2011)
Maren Scheffel, Katja Niemann, Abelardo Pardo, Derick Leony, Martin Friedrich, Kerstin Schmidt, Martin Wolpers, Carlos Delgado Kloos
Usage Pattern Recognition in Student Activities. EC-TEL (2011)
Katja Niemann, Hans-Christian Schmitz, Maren Scheffel, Martin Wolpers
Usage contexts for object similarity: exploratory investigations. LAK (2011)
Martin Memmel, Martin Wolpers, Massimiliano Condotta, Katja Niemann, Rafael Schirru
Introducing a Social Backbone to Support Access to Digital Resources. EC-TEL (2010)
Pedro J. Muñoz Merino, Abelardo Pardo, Carlos Delgado Kloos, Mario Muñoz Organero, Martin Wolpers, Katja Niemann, Martin Friedrich
CAM in the semantic web world. I-SEMANTICS (2010)
Katja Niemann, Maren Scheffel, Martin Friedrich, Uwe Kirschenmann, Hans-Christian Schmitz, Martin Wolpers
Usage-based Object Similarity. J. Univers. Comput. Sci. 16 (16) (2010)
Uwe Kirschenmann, Maren Scheffel, Martin Friedrich, Katja Niemann, Martin Wolpers
Demands of Modern PLEs and the ROLE Approach. EC-TEL (2010)
Katja Niemann, Uta Schwertel, Marco Kalz, Alexander Mikroyannidis, Marco Fisichella, Martin Friedrich, Michele Dicerto, Kyung-Hun Ha, Philipp Holtkamp, Ricardo Kawase
Skill-Based Scouting of Open Management Content. EC-TEL (2010)
Maren Scheffel, Martin Friedrich, Katja Niemann, Uwe Kirschenmann, Martin Wolpers
A Framework for the Domain-Independent Collection of Attention Metadata. EC-TEL (2010)
Katja Niemann, Martin Wolpers
Enabling the Use of Real World Objects to Improve Learning. ICALT (2010)
Hans-Christian Schmitz, Maren Scheffel, Martin Friedrich, Marco Jahn, Katja Niemann, Martin Wolpers
CAMera for PLE. EC-TEL (2009)
Maren Scheffel, Martin Friedrich, Marco Jahn, Uwe Kirschenmann, Katja Niemann, Hans-Christian Schmitz, Martin Wolpers
Self-monitoring for Computer Users. GI Jahrestagung (2009)
Martin Wolpers, Katja Niemann, Christian Prause
Metadata Representation of Real-World Objects for Architectural Education. ICALT (2009)
Katja Niemann, Martin Wolpers
Modeling vocabularies in the architectural domain. ICDIM (2008)

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Publication Activity (10 Years)

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Katja Niemann