activity
20192024
most citedReal-time Attention Based Look-alike Model for Recommender System

45 citations · 128 across the 6 of their papers we have counts for

collaborators

7 papers

cs.IR2022

Multi-view Multi-behavior Contrastive Learning in Recommendation

Yiqing Wu, Ruobing Xie, Yongchun Zhu +6

Multi-behavior recommendation (MBR) aims to jointly consider multiple behaviors to improve the target behavior's performance. We argue that MBR models should: (1) model the coarse-…

cs.IR202140 cited

Learning to Expand Audience via Meta Hybrid Experts and Critics for Recommendation and Advertising

Yongchun Zhu, Yudan Liu, Ruobing Xie +6

In recommender systems and advertising platforms, marketers always want to deliver products, contents, or advertisements to potential audiences over media channels such as display,…

cs.IR2021

Learning to Warm Up Cold Item Embeddings for Cold-start Recommendation with Meta Scaling and Shifting Networks

Yongchun Zhu, Ruobing Xie, Fuzhen Zhuang +5

Recently, embedding techniques have achieved impressive success in recommender systems. However, the embedding techniques are data demanding and suffer from the cold-start problem.…

cs.IR2021

Transfer-Meta Framework for Cross-domain Recommendation to Cold-Start Users

Yongchun Zhu, Kaikai Ge, Fuzhen Zhuang +5

Cold-start problems are enormous challenges in practical recommender systems. One promising solution for this problem is cross-domain recommendation (CDR) which leverages rich info…

cs.SI202129 cited

Understanding WeChat User Preferences and "Wow" Diffusion

Fanjin Zhang, Jie Tang, Xueyi Liu +9

WeChat is the largest social instant messaging platform in China, with 1.1 billion monthly active users. "Top Stories" is a novel friend-enhanced recommendation engine in WeChat, i…

cs.IR202114 cited

UPRec: User-Aware Pre-training for Recommender Systems

Chaojun Xiao, Ruobing Xie, Yuan Yao +4

Existing sequential recommendation methods rely on large amounts of training data and usually suffer from the data sparsity problem. To tackle this, the pre-training mechanism has…