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
Showing 2022 · cs.IRShow all

10 papers · 2 filters

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…

cs.IR2022

Model-based Unbiased Learning to Rank

Dan Luo, Lixin Zou, Qingyao Ai +3

Unbiased Learning to Rank (ULTR) that learns to rank documents with biased user feedback data is a well-known challenge in information retrieval. Existing methods in unbiased learn…

cs.IR2022★ 438 cited

Hypergraph Contrastive Collaborative Filtering

Lianghao Xia, Chao Huang, Yong Xu +3

Collaborative Filtering (CF) has emerged as fundamental paradigms for parameterizing users and items into latent representation space, with their correlative patterns from interact…

cs.IR2022

Incorporating Explicit Knowledge in Pre-trained Language Models for Passage Re-ranking

Qian Dong, Yiding Liu, Suqi Cheng +4

Passage re-ranking is to obtain a permutation over the candidate passage set from retrieval stage. Re-rankers have been boomed by Pre-trained Language Models (PLMs) due to their ov…

cs.IR2022

Graph Enhanced BERT for Query Understanding

Juanhui Li, Yao Ma, Wei Zeng +4

Query understanding plays a key role in exploring users' search intents and facilitating users to locate their most desired information. However, it is inherently challenging since…

cs.IR2022★ 2 cited

Sequential Recommendation with User Evolving Preference Decomposition

Weiqi Shao, Xu Chen, Long Xia +2

Modeling user sequential behaviors has recently attracted increasing attention in the recommendation domain. Existing methods mostly assume coherent preference in the same sequence…

cs.IR2022★ 208 cited

Contrastive Meta Learning with Behavior Multiplicity for Recommendation

Wei Wei, Chao Huang, Lianghao Xia +3

A well-informed recommendation framework could not only help users identify their interested items, but also benefit the revenue of various online platforms (e.g., e-commerce, soci…

cs.IR2022

User behavior understanding in real world settings

Weiqi Shao, Xu Chen, Jiashu Zhao +2

How to extract meaningful information in user historical behavior plays a crucial role in recommendation. User behavior sequence often contains multiple conceptually distinct items…

cs.IR2022

Gumble Softmax For User Behavior Modeling

Weiqi Shao, Xu Chen, Jiashu Zhao +2

Recently, sequential recommendation systems are important in solving the information overload in many online services. Current methods in sequential recommendation focus on learnin…