Hisaaki Yamaba, Michihito Tanoue, Kayoko Takatsuka, Naonobu Okazaki, Shigeyuki Tomita. On a Serendipity-oriented Recommender System based on Folksonomy and its Evaluation. In Junzo Watada, Lakhmi C. Jain, Robert J. Howlett, Naoto Mukai, Koichi Asakura, editors, 17th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, KES 2013, Kitakyushu, Japan, 9-11 September 2013. Volume 22 of Procedia Computer Science, pages 276-284, Elsevier, 2013. [doi]