Tikk, D.; Turrin, R.; Larson, M.; Zibriczky, D.; Malagoli, D.; Said, A.; Lommatzsch, A.; Gál, V.; Székely, S.: 'Comparative evaluation of recommender systems for digital media', IET Conference Proceedings, 2014, p. 5.4-5.4, DOI: 10.1049/ib.2014.0015
IET Digital Library, https://digital-library.theiet.org/;jsessionid=19nsh5924r6os.x-iet-live-01content/conferences/10.1049/ib.2014.0015