Katja Niemann - RankMe

37 papers A* 1A 4B 15Misc 1Journal 4Unranked 9

Year	Rank	Type	Title / Venue / Authors
2026	B	`conf`	Bias or Balance? Analyzing Stance in Google and Bing Results for the 2024 EU Parliament Election. CHIIR Sebastian Schultheiß, Katja Niemann, Dirk Lewandowski
2018	—	`ch.`	Job Recommendations: The XING Case. Collaborative Recommendations Katja Niemann, Daniel Kohlsdorf, Fabian Abel
2016	J	`jnl`	Analyzing the Impact of Using Optional Activities in Self-Regulated Learning. IEEE Trans. Learn. Technol. José A. Ruipérez-Valiente, Pedro J. Muñoz Merino, Carlos Delgado Kloos, Katja Niemann, Maren Scheffel, Martin Wolpers
2015	B	`conf`	Automatic Tagging of Learning Objects Based on Their Usage in Web Portals. EC-TEL Katja Niemann
2015	J	`jnl`	Creating Usage Context-Based Object Similarities to Boost Recommender Systems in Technology Enhanced Learning. IEEE Trans. Learn. Technol. Katja Niemann, Martin Wolpers
2015	—	`—`	Discovery of usage based item similarities to support recommender systems in dealing with rarely used items. Katja Niemann
2015	—	`ch.`	Ermittlung nutzungsbasierter Ähnlichkeiten zwischen Objekten zur Unterstützung von Empfehlungssystemen im Umgang mit selten genutzten Objekten [Discovery of usage-based item similarities to support recommender systems in dealing with rarely used items]. Ausgezeichnete Informatikdissertationen Katja Niemann
2015	—	`conf`	Getting a Grasp on Tag Collections by Visualising Tag Clusters Based on Higher-order Co-occurrences. VISLA@LAK Katja Niemann, Maren Scheffel, Sarah León Rojas, Martin Wolpers, Hendrik Drachsler, Marcus Specht
2015	A	`conf`	Increasing the accessibility of learning objects by automatic tagging. LAK Katja Niemann
2014	B	`conf`	Do Optional Activities Matter in Virtual Learning Environments? EC-TEL José A. Ruipérez-Valiente, Pedro J. Muñoz Merino, Carlos Delgado Kloos, Katja Niemann, Maren Scheffel
2014	—	`conf`	Spiral me to the core: Getting a visual grasp on text corpora through clusters and keywords. LAK Workshops Maren Scheffel, Katja Niemann, Sarah León Rojas, Hendrik Drachsler, Marcus Specht
2014	B	`conf`	Usage-Based Clustering of Learning Resources to Improve Recommendations. EC-TEL Katja Niemann, Martin Wolpers
2013	A*	`conf`	A new collaborative filtering approach for increasing the aggregate diversity of recommender systems. KDD Katja Niemann, Martin Wolpers
2013	A	`conf`	Aggregating social and usage datasets for learning analytics: data-oriented challenges. LAK Katja Niemann, Martin Wolpers, Giannis Stoitsis, Georgios Chinis, Nikos Manouselis
2013	—	`conf`	OpenScout: harvesting business and management learning objects from the web of data. WWW (Companion Volume) Ricardo Kawase, Marco Fisichella, Katja Niemann, Vassilis Pitsilis, Aristides Vidalis, Philipp Holtkamp, Bernardo Pereira Nunes
2013	J	`jnl`	Social data interoperability in educational repositories and federations. Int. J. Metadata Semant. Ontologies Enayat Rajabi, Wolfgang Greller, Katja Niemann, Kostas Kastrantas, Salvador Sánchez-Alonso
2013	B	`conf`	Usage Context-Boosted Filtering for Recommender Systems in TEL. EC-TEL Katja Niemann, Martin Wolpers
2012	—	`conf`	A Comparison of Usage Data Formats for Recommendations in TEL. RecSysTEL@EC-TEL Katja Niemann, Maren Scheffel, Martin Wolpers
2012	A	`conf`	Clustering by usage: higher order co-occurrences of learning objects. LAK Katja Niemann, Hans-Christian Schmitz, Uwe Kirschenmann, Martin Wolpers, Anna Schmidt, Tim Krones
2012	—	`conf`	Detecting and Reflecting Learning Activities in Personal Learning Environments. ARTEL@EC-TEL Alexander Nussbaumer, Maren Scheffel, Katja Niemann, Milos Kravcik, Dietrich Albert
2012	B	`conf`	Key Action Extraction for Learning Analytics. EC-TEL Maren Scheffel, Katja Niemann, Derick Leony, Abelardo Pardo, Hans-Christian Schmitz, Martin Wolpers, Carlos Delgado Kloos
2011	—	`conf`	A Novel Approach towards Skill-Based Search and Services of Open Educational Resources. MTSR 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
2011	Misc	`conf`	Aggregating metadata to improve access to resources. IRI Martin Wolpers, Martin Memmel, Katja Niemann, Joris Klerkx, Marcus Specht, Alberto Giretti, Erik Duval
2011	B	`conf`	Usage Pattern Recognition in Student Activities. EC-TEL Maren Scheffel, Katja Niemann, Abelardo Pardo, Derick Leony, Martin Friedrich, Kerstin Schmidt, Martin Wolpers, Carlos Delgado Kloos
2011	A	`conf`	Usage contexts for object similarity: exploratory investigations. LAK Katja Niemann, Hans-Christian Schmitz, Maren Scheffel, Martin Wolpers
2011	B	`conf`	Usage-based Clustering of Learning Objects for Recommendation. ICALT Marc-Andre Orthmann, Martin Friedrich, Uwe Kirschenmann, Katja Niemann, Maren Scheffel, Hans-Christian Schmitz, Martin Wolpers
2010	B	`conf`	A Framework for the Domain-Independent Collection of Attention Metadata. EC-TEL Maren Scheffel, Martin Friedrich, Katja Niemann, Uwe Kirschenmann, Martin Wolpers
2010	—	`conf`	CAM in the semantic web world. I-SEMANTICS Pedro J. Muñoz Merino, Abelardo Pardo, Carlos Delgado Kloos, Mario Muñoz Organero, Martin Wolpers, Katja Niemann, Martin Friedrich
2010	B	`conf`	Demands of Modern PLEs and the ROLE Approach. EC-TEL Uwe Kirschenmann, Maren Scheffel, Martin Friedrich, Katja Niemann, Martin Wolpers
2010	B	`conf`	Enabling the Use of Real World Objects to Improve Learning. ICALT Katja Niemann, Martin Wolpers
2010	B	`conf`	Introducing a Social Backbone to Support Access to Digital Resources. EC-TEL Martin Memmel, Martin Wolpers, Massimiliano Condotta, Katja Niemann, Rafael Schirru
2010	B	`conf`	Skill-Based Scouting of Open Management Content. EC-TEL Katja Niemann, Uta Schwertel, Marco Kalz, Alexander Mikroyannidis, Marco Fisichella, Martin Friedrich, Michele Dicerto, Kyung-Hun Ha, Philipp Holtkamp, Ricardo Kawase
2010	J	`jnl`	Usage-based Object Similarity. J. Univers. Comput. Sci. Katja Niemann, Maren Scheffel, Martin Friedrich, Uwe Kirschenmann, Hans-Christian Schmitz, Martin Wolpers
2009	B	`conf`	CAMera for PLE. EC-TEL Hans-Christian Schmitz, Maren Scheffel, Martin Friedrich, Marco Jahn, Katja Niemann, Martin Wolpers
2009	B	`conf`	Metadata Representation of Real-World Objects for Architectural Education. ICALT Martin Wolpers, Katja Niemann, Christian Prause
2009	—	`conf`	Self-monitoring for Computer Users. GI Jahrestagung Maren Scheffel, Martin Friedrich, Marco Jahn, Uwe Kirschenmann, Katja Niemann, Hans-Christian Schmitz, Martin Wolpers
2008	—	`conf`	Modeling vocabularies in the architectural domain. ICDIM Katja Niemann, Martin Wolpers