2015

  • 2015March

    Searching for Movies: An Exploratory Analysis of Movie-related Information Needs

    Poster presentation @ iConference 2015, Newport Beach, CA [ PDF ]

  • 2015March

    Tagging vs. Controlled Vocabulary: Which is More Helpful for Book Search?

    Paper presentation @ iConference 2015, Newport Beach, CA [ Slideshare ]

  • 2015March

    Measuring System Performance in Cultural Heritage Systems

    Invited talk @ Evaluating Cultural Heritage Information Systems workshop, iConference 2015, Newport Beach, CA [ Slideshare ]

2014

  • 2014March

    Academic career paths in Denmark & the Netherlands

    Panel participation @ Early Career Colloquium panel, iConference 2014, Berlin, Germany

  • 2014March

    How ‘Social’ are Social News Sites? Exploring the Motivations for Using Reddit.com

    Paper presentation @ iConference 2014, Berlin, Germany  [ Slideshare ]

  • 2014March

    Search & Recommendation: Birds of a Feather

    Keynote @ Mind The Gap ’14 workshop, iConference 2014, Berlin, Germany (Best presentation award) [ Slideshare ]

  • 2014January

    What to Read Next? The Value of Social Metadata for Book Search

    Invited talk @ IBI research seminar, Humboldt University, Berlin, Germany [ PDF ]

2013

  • 2013October

    Benchmarking Domain-specific Expert Search using Workshop Program Committees

    Paper presentation @ CSTA 2013 workshop, CIKM 2013, San Francisco, CA, United States [ Slideshare ]

  • 2013September

    RSLIS at INEX 2013: Social Book Search track

    Paper presentation @ INEX 2013 Social Book Search workshop, CLEF 2013, Valencia, Spain [ PDF ]

  • 2013April

    Searching for Expertise

    Invited talk @ IVA/CCC seminar, University of Copenhagen, Denmark [ PDF ]

  • 2013April

    What to Read Next? The Value of Social Metadata for Book Search

    Invited talk @ Research seminar, IVA-Øst, Aalborg, Denmark [ PDF ]

  • 2013February

    Micro-Serendipity: Meaningful Coincidences in Everyday Life Shared on Twitter

    Paper presentation @ iConference 2013, Fort Worth, TX, United States [ Slideshare ]

  • 2013February

    Measuring Serendipity in the Lab: The Effects of Priming and Monitoring

    Poster presentation @ iConference 2013, Fort Worth, TX, United States [ PDF ]

2012

  • 2012September

    RSLIS at INEX 2012: Social Book Search track

    Paper presentation @ INEX 2012 Social Book Search workshop, CLEF 2012, Rome, Italy [ PDF ]

2011

  • 2011December

    RSLIS at INEX 2011: Social Book Search track

    Paper presentation @ INEX 2011, Saarbrücken, Germany [ PDF ]

  • 2011October

    How can Social Tagging Benefit Information Access?

    Invited talk @ India-Norway WWCT workshop, NTNU, Trondheim, Norway [ PDF ]

2010

  • 2010September

    Movie Recommendation using Random Walks over the Contextual Graph

    Paper presentation @ CARS 2010 workshop, RecSys 2010, Barcelona, Spain [ PDF ]

  • 2010January

    Comparing Recommendation Algorithms for Social Bookmarking

    Invited talk @ DAI-Labor research seminar, TU Berlin, Berlin, Germany [ PDF ]

2009

  • 2009October

    Comparing Collaborative and Content-based Filtering for Recommendation on Social Bookmarking Websites

    Paper presentation @ ACM RecSys’09 Workshop on Recommender Systems and the Social Web, New York, NY, United States [ PDF ]

  • 2009April

    Design and Implementation of a University-wide Expert Search Engine

    Poster presentation @ ECIR 2009, Toulouse, France [ PDF ]

  • 2009February

    Using Language Modeling for Spam Detection in Social Reference Manager Websites

    Paper presentation @ DIR 2009 workshop, Enschede, the Netherlands [ PDF ]

2008

  • 2008September

    Using Language Models for Spam Detection in Social Bookmarking

    Paper presentation @ Discovery Challenge workshop, ECML/PKDD 2008, Antwerp, Belgium [ PDF ]

  • 2008June

    Recommending
 Experts
 and
 Scientific
 Articles


    Invited talk @ Research seminar, Royal School of Library & Information Science, Copenhagen, Denmark [ PDF ]

2007

    2006

    • 2006April

      Authoritative Re-Ranking of Search Results

      Poster presentation @ ECIR 2006, London, United Kingdom

    • 2006March

      Authoritative Re-Ranking in Fusing Authorship-based Subcollection Search Results

      Paper presentation @ DIR 2006 workshop, Delft, the Netherlands

    • 2006January

      Authoritative Re-Ranking of Search Results

      Invited talk @ ILPS research seminar, ILPS, University of Amsterdam, Amsterdam, the Netherlands