Christian Wartena


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Structural Analysis of Contract Renewals
Frieda Josi | Christian Wartena
Proceedings of the CIKM 2018 Workshops co-located with 27th ACM International Conference on Information and Knowledge Management (CIKM 2018), Torino, Italy, October 22, 2018

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NOA: A Search Engine for Reusable Scientific Images Beyond the Life Sciences
Jean Charbonnier | Lucia Sohmen | John Rothman | Birte Rohden | Christian Wartena
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings


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Distributional Similarity of Words with Different Frequencies
Christian Wartena
Proceedings of the 13th Dutch-Belgian Workshop on Information Retrieval, Delft, The Netherlands, April 26th, 2013


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Automatic tagging and geotagging in video collections and communities
Martha A. Larson | Mohammad Soleymani | Pavel Serdyukov | Stevan Rudinac | Christian Wartena | Vanessa Murdock | Gerald Friedland | Roeland Ordelman | Gareth J. F. Jones
Proceedings of the 1st International Conference on Multimedia Retrieval, ICMR 2011, Trento, Italy, April 18 - 20, 2011

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Improving Tag-Based Recommendation by Topic Diversification
Christian Wartena | Martin Wibbels
Advances in Information Retrieval - 33rd European Conference on IR Research, ECIR 2011, Dublin, Ireland, April 18-21, 2011. Proceedings


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Selecting keywords for content based recommendation
Christian Wartena | Wout Slakhorst | Martin Wibbels
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010