Dataset Groups Activity Stream Last.fm hetrec-2011 Three recommendation datasets for evaluation: MovieLens-20M, Last.fm hetrec-2011, and LibraryThing. BibTex: @dataset{Iván_Cantador_and_Peter_Brusilovsky_and_Tsvi_Kuflik_and_Evgeniy_Gabrilovich_and_Shaul_Markovitch_and_Cataldo_Musto_and_Giovanni_Semeraro_and_Marco_de_Gemmis_and_Pasquale_Lops_and_Harald_Steck_and_Koki_Takeuchi_and_Katsuhiko_Hayashi_2025, abstract = {Three recommendation datasets for evaluation: MovieLens-20M, Last.fm hetrec-2011, and LibraryThing.}, author = {Iván Cantador and Peter Brusilovsky and Tsvi Kuflik and Evgeniy Gabrilovich and Shaul Markovitch and Cataldo Musto and Giovanni Semeraro and Marco de Gemmis and Pasquale Lops and Harald Steck and Koki Takeuchi and Katsuhiko Hayashi}, doi = {10.57702/isk82ozy}, institution = {No Organization}, keyword = {'Collaborative Filtering', 'Content-Based Systems', 'Recommendation Systems'}, month = {jan}, publisher = {TIB}, title = {Last.fm hetrec-2011}, url = {https://service.tib.eu/ldmservice/dataset/last-fm-hetrec-2011}, year = {2025} }