Our model achieves excellent performance on movielens: what does it mean?

• Main Authors: Fan, Yu-Chen, Ji, Yitong, Zhang, Jie, Sun, Aixin
• Other Authors: College of Computing and Data Science
• Format: Article
• Language: English
• Published: 2025
• Subjects: Computer and Information Science; Recommendation evaluation; MovieLens
• Online Access: https://hdl.handle.net/10356/181967; https://api.elsevier.com/content/abstract/scopus_id/85208367770
• Institution: Nanyang Technological University

A typical benchmark dataset for recommender system (RecSys) evaluation consists of user-item interactions generated on a platform within a time period. The interaction generation mechanism partially explains why a user interacts with (e.g., like, purchase, rate) an item, and the context of when a pa...