no code implementations • 2 Mar 2025 • Allen Lin, Renqin Cai, Yun He, Hanchao Yu, Jing Qian, Rui Li, Qifan Wang, James Caverlee
Despite such promising results, the computational inefficiency inherent in the current training paradigm makes it particularly challenging to train LLMs for ranking-based recommendation tasks on large datasets.
no code implementations • 3 Nov 2024 • Yun He, Xuxing Chen, Jiayi Xu, Renqin Cai, Yiling You, Jennifer Cao, Minhui Huang, Liu Yang, Yiqun Liu, Xiaoyi Liu, Rong Jin, Sem Park, Bo Long, Xue Feng
In industrial recommendation systems, multi-task learning (learning multiple tasks simultaneously on a single model) is a predominant approach to save training/serving resources and improve recommendation performance via knowledge transfer between the joint learning tasks.
no code implementations • 20 Feb 2022 • Peng Wang, Renqin Cai, Hongning Wang
Explanations in a recommender system assist users in making informed decisions among a set of recommended items.
no code implementations • 1 Nov 2021 • Aobo Yang, Nan Wang, Renqin Cai, Hongbo Deng, Hongning Wang
As recommendation is essentially a comparative (or ranking) process, a good explanation should illustrate to users why an item is believed to be better than another, i. e., comparative explanations about the recommended items.
no code implementations • 14 Feb 2021 • Fan Yao, Renqin Cai, Hongning Wang
Combinatorial optimization problem (COP) over graphs is a fundamental challenge in optimization.
no code implementations • 30 Jan 2020 • Renqin Cai, Qinglei Wang, Chong Wang, Xiaobing Liu
To better model the long-term dependence structure, we propose a GatedLongRec solution in this work.
no code implementations • 29 Jan 2020 • Jibang Wu, Renqin Cai, Hongning Wang
Predicting users' preferences based on their sequential behaviors in history is challenging and crucial for modern recommender systems.