Dataset Groups Activity Stream Movielens-IMDB and Amazon Datasets The Movielens-IMDB and Amazon datasets are used to evaluate the proposed algorithm. BibTex: @dataset{Yu_Zhu_and_Jinhao_Lin_and_Shibi_He_and_Beidou_Wang_and_Ziyu_Guan_and_Haifeng_Liu_and_Deng_Cai_2025, abstract = {The Movielens-IMDB and Amazon datasets are used to evaluate the proposed algorithm.}, author = {Yu Zhu and Jinhao Lin and Shibi He and Beidou Wang and Ziyu Guan and Haifeng Liu and Deng Cai}, doi = {10.57702/rk2lshcb}, institution = {No Organization}, keyword = {'active learning', 'item cold-start problem', 'recommender systems'}, month = {jan}, publisher = {TIB}, title = {Movielens-IMDB and Amazon Datasets}, url = {https://service.tib.eu/ldmservice/dataset/movielens-imdb-and-amazon-datasets}, year = {2025} }