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Katja Niemann

  • Dr. rer. nat.
  • Data Scientist
  • XING AG
  • 34PublicationsNumber of items in Katja's My Publications folder on Mendeley.
  • 60Followers

Publications (20)

  • Spiral me to the core: Getting a visual grasp on text corpora through clusters and keywords

    • Scheffel M
    • Niemann K
    • Rojas S
    • et al.
    N/AReaders
    N/ACitations
  • Usage-Based Clustering of Learning Resources to Improve Recommendations

    • Niemann K
    • Wolpers M
    N/AReaders
    N/ACitations
  • A New Collaborative Filtering Approach for Increasing the Aggregate Diversity of Recommender Systems

    • Niemann K
    • Wolpers M
    N/AReaders
    N/ACitations
  • Aggregating Social and Usage Datasets for Learning Analytics: Data-oriented Challenges

    • Niemann K
    • Wolpers M
    • Stoitsis G
    • et al.
    N/AReaders
    N/ACitations
  • OpenScout: Harvesting Business and Management Learning Objects from the Web of Data

    • Kawase R
    • Fisichella M
    • Niemann K
    • et al.
    N/AReaders
    N/ACitations
  • Social data interoperability in educational repositories and federations

    • Rajabi E
    • Greller W
    • Niemann K
    • et al.
    N/AReaders
    N/ACitations
    Get full text
  • Supporting Collaborative Learning in the Architectural Domain

    • Wolpers M
    • Memmel M
    • Giretti A
    • et al.
    N/AReaders
    N/ACitations
  • Usage Context-based Object Recommendation

    • Niemann K
    N/AReaders
    N/ACitations
  • An Overview of Usage Data Formats for Recommendations in TEL

    • Niemann K
    • Scheffel M
    • Wolpers M
    N/AReaders
    N/ACitations
  • Clustering by Usage: Higher Order Co-occurrences of Learning Objects

    • Niemann K
    • Schmitz H
    • Kirschenmann U
    • et al.
    N/AReaders
    N/ACitations
  • Key Action Extraction for Learning Analytics

    • Scheffel M
    • Niemann K
    • Leony D
    • et al.
    N/AReaders
    N/ACitations
  • Peeking into the black box: visualising learning activities

    • Crespo García R
    • Pardo A
    • Delgado Kloos C
    • et al.
    N/AReaders
    N/ACitations
  • Aggregating metadata to improve access to resources

    • Wolpers M
    • Memmel M
    • Niemann K
    • et al.
    N/AReaders
    N/ACitations
    Get full text
  • From Keyword Extraction To Key Action Extraction

    • Scheffel M
    • Niemann K
    • Schmidt K
    • et al.
    N/AReaders
    N/ACitations
  • Usage Contexts for Object Similarity: Exploratory Investigations

    • Niemann K
    • Schmitz H
    • Scheffel M
    • et al.
    N/AReaders
    N/ACitations
  • Usage Pattern Recognition in Student Activities

    • Scheffel M
    • Niemann K
    • Pardo A
    • et al.
    N/AReaders
    N/ACitations
  • Usage-based Clustering of Learning Objects for Recommendation

    • Orthmann M
    • Friedrich M
    • Kirschenmann U
    • et al.
    N/AReaders
    N/ACitations
    Get full text
  • CAM in the Semantic Web World

    • Muñoz-Merino P
    • Pardo A
    • Kloos C
    • et al.
    N/AReaders
    N/ACitations
  • Enabling the Use of Real World Objects to Improve Learning

    • Niemann K
    • Wolpers M
    N/AReaders
    N/ACitations
    Get full text
  • Real World Object Based Access to Architecture Learning Material - the MACE Experience

    • Niemann K
    • Wolpers M
    N/AReaders
    N/ACitations