7 code implementations • 27 Feb 2024 • Jiaqi Zhai, Lucy Liao, Xing Liu, Yueming Wang, Rui Li, Xuan Cao, Leon Gao, Zhaojie Gong, Fangda Gu, Michael He, Yinghai Lu, Yu Shi
Large-scale recommendation systems are characterized by their reliance on high cardinality, heterogeneous features and the need to handle tens of billions of user actions on a daily basis.
Ranked #1 on Recommendation Systems on MovieLens 20M (HR@10 (full corpus) metric)
3 code implementations • 6 Jun 2023 • Jiaqi Zhai, Zhaojie Gong, Yueming Wang, Xiao Sun, Zheng Yan, Fu Li, Xing Liu
A key component of retrieval is to model (user, item) similarity, which is commonly represented as the dot product of two learned embeddings.