activity
20202023
most citedComparative Explanations of Recommendations

18 citations · 24 across the 6 of their papers we have counts for

collaborators

6 papers

cs.LG2023★ 1 cited

Meta-Reinforcement Learning via Exploratory Task Clustering

Zhendong Chu, Hongning Wang

Meta-reinforcement learning (meta-RL) aims to quickly solve new tasks by leveraging knowledge from prior tasks. However, previous studies often assume a single mode homogeneous tas…

cs.IR2022

Graph-based Extractive Explainer for Recommendations

Peng Wang, Renqin Cai, Hongning Wang

Explanations in a recommender system assist users in making informed decisions among a set of recommended items. Great research attention has been devoted to generating natural lan…

cs.IR2021★ 18 cited

Comparative Explanations of Recommendations

Aobo Yang, Nan Wang, Renqin Cai +2

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., comparat…

cs.LG2021★ 2 cited

Reversible Action Design for Combinatorial Optimization with Reinforcement Learning

Fan Yao, Renqin Cai, Hongning Wang

Combinatorial optimization problem (COP) over graphs is a fundamental challenge in optimization. Reinforcement learning (RL) has recently emerged as a new framework to tackle these…

cs.IR2020★ 3 cited

Learning to Structure Long-term Dependence for Sequential Recommendation

Renqin Cai, Qinglei Wang, Chong Wang +1

Sequential recommendation recommends items based on sequences of users' historical actions. The key challenge in it is how to effectively model the influence from distant actions t…

cs.IR2020

Déjà vu: A Contextualized Temporal Attention Mechanism for Sequential Recommendation

Jibang Wu, Renqin Cai, Hongning Wang

Predicting users' preferences based on their sequential behaviors in history is challenging and crucial for modern recommender systems. Most existing sequential recommendation algo…