Using Topic Models in Content-Based News Recommender Systems Tapio Luostarinen author Oskar Kohonen author 2013-05 text Proceedings of the 19th Nordic Conference of Computational Linguistics (NODALIDA 2013) Stephan Oepen editor Kristin Hagen editor Janne Bondi Johannessen editor Linköping University Electronic Press, Sweden Oslo, Norway conference publication luostarinen-kohonen-2013-using https://aclanthology.org/W13-5622/ 2013-05 239 251