activity
20142024
most citedA Survey on Dialogue Systems: Recent Advances and New Frontiers

584 citations · 3.1k across the 56 of their papers we have counts for

collaborators

56 papers

cs.IR2024

Information Discovery in e-Commerce

Zhaochun Ren, Xiangnan He, Dawei Yin +1

Electronic commerce, or e-commerce, is the buying and selling of goods and services, or the transmitting of funds or data online. E-commerce platforms come in many kinds, with glob…

cs.IR2023

Unconfounded Propensity Estimation for Unbiased Ranking

Dan Luo, Lixin Zou, Qingyao Ai +4

The goal of unbiased learning to rank (ULTR) is to leverage implicit user feedback for optimizing learning-to-rank systems. Among existing solutions, automatic ULTR algorithms that…

cs.IR2023★ 153 cited

Disentangled Contrastive Collaborative Filtering

Xubin Ren, Lianghao Xia, Jiashu Zhao +2

Recent studies show that graph neural networks (GNNs) are prevalent to model high-order relationships for collaborative filtering (CF). Towards this research line, graph contrastiv…

cs.IR2023★ 30 cited

User Retention-oriented Recommendation with Decision Transformer

Kesen Zhao, Lixin Zou, Xiangyu Zhao +2

Improving user retention with reinforcement learning~(RL) has attracted increasing attention due to its significant importance in boosting user engagement. However, training the RL…

cs.IR2022★ 1 cited

Whole Page Unbiased Learning to Rank

Haitao Mao, Lixin Zou, Yujia Zheng +5

The page presentation biases in the information retrieval system, especially on the click behavior, is a well-known challenge that hinders improving ranking models' performance wit…

cs.IR2022★ 4 cited

Approximated Doubly Robust Search Relevance Estimation

Lixin Zou, Changying Hao, Hengyi Cai +6

Extracting query-document relevance from the sparse, biased clickthrough log is among the most fundamental tasks in the web search system. Prior art mainly learns a relevance judgm…