activity
20202023
most citedFedGNN: Federated Graph Neural Network for Privacy-Preserving Recommendation

305 citations · 741 across the 44 of their papers we have counts for

collaborators
Showing cs.IRShow all

22 papers · 1 filter

cs.IR2022★ 1 cited

FUM: Fine-grained and Fast User Modeling for News Recommendation

Tao Qi, Fangzhao Wu, Chuhan Wu +1

User modeling is important for news recommendation. Existing methods usually first encode user's clicked news into news embeddings independently and then aggregate them into user e…

cs.IR2022

News Recommendation with Candidate-aware User Modeling

Tao Qi, Fangzhao Wu, Chuhan Wu +1

News recommendation aims to match news with personalized user interest. Existing methods for news recommendation usually model user interest from historical clicked news without th…

cs.IR2022★ 4 cited

ProFairRec: Provider Fairness-aware News Recommendation

Tao Qi, Fangzhao Wu, Chuhan Wu +5

News recommendation aims to help online news platform users find their preferred news articles. Existing news recommendation methods usually learn models from historical user behav…

cs.IR2022★ 3 cited

FairRank: Fairness-aware Single-tower Ranking Framework for News Recommendation

Chuhan Wu, Fangzhao Wu, Tao Qi +1

Single-tower models are widely used in the ranking stage of news recommendation to accurately rank candidate news according to their fine-grained relatedness with user interest ind…

cs.IR2022★ 7 cited

End-to-end Learnable Diversity-aware News Recommendation

Chuhan Wu, Fangzhao Wu, Tao Qi +1

Diversity is an important factor in providing high-quality personalized news recommendations. However, most existing news recommendation methods only aim to optimize recommendation…

cs.IR2022★ 1 cited

Are Big Recommendation Models Fair to Cold Users?

Chuhan Wu, Fangzhao Wu, Tao Qi +1

Big models are widely used by online recommender systems to boost recommendation performance. They are usually learned on historical user behavior data to infer user interest and p…

cs.IR2022

Quality-aware News Recommendation

Chuhan Wu, Fangzhao Wu, Tao Qi +1

News recommendation is a core technique used by many online news platforms. Recommending high-quality news to users is important for keeping good user experiences and news platform…

cs.IR2022★ 3 cited

FedAttack: Effective and Covert Poisoning Attack on Federated Recommendation via Hard Sampling

Chuhan Wu, Fangzhao Wu, Tao Qi +2

Federated learning (FL) is a feasible technique to learn personalized recommendation models from decentralized user data. Unfortunately, federated recommender systems are vulnerabl…

cs.IR2021

Uni-FedRec: A Unified Privacy-Preserving News Recommendation Framework for Model Training and Online Serving

Tao Qi, Fangzhao Wu, Chuhan Wu +2

News recommendation is important for personalized online news services. Most existing news recommendation methods rely on centrally stored user behavior data to both train models o…

cs.IR2021★ 2 cited

UserBERT: Contrastive User Model Pre-training

Chuhan Wu, Fangzhao Wu, Yang Yu +3

User modeling is critical for personalized web applications. Existing user modeling methods usually train user models from user behaviors with task-specific labeled data. However,…

cs.IR2021★ 1 cited

Is News Recommendation a Sequential Recommendation Task?

Chuhan Wu, Fangzhao Wu, Tao Qi +1

News recommendation is often modeled as a sequential recommendation task, which assumes that there are rich short-term dependencies over historical clicked news. However, in news r…

cs.IR2021★ 2 cited

PP-Rec: News Recommendation with Personalized User Interest and Time-aware News Popularity

Tao Qi, Fangzhao Wu, Chuhan Wu +1

Personalized news recommendation methods are widely used in online news services. These methods usually recommend news based on the matching between news content and user interest…

cs.IR2021★ 6 cited

HieRec: Hierarchical User Interest Modeling for Personalized News Recommendation

Tao Qi, Fangzhao Wu, Chuhan Wu +4

User interest modeling is critical for personalized news recommendation. Existing news recommendation methods usually learn a single user embedding for each user from their previou…

cs.IR2021★ 2 cited

Personalized News Recommendation with Knowledge-aware Interactive Matching

Tao Qi, Fangzhao Wu, Chuhan Wu +1

The most important task in personalized news recommendation is accurate matching between candidate news and user interest. Most of existing news recommendation methods model candid…

cs.IR2021★ 5 cited

Empowering News Recommendation with Pre-trained Language Models

Chuhan Wu, Fangzhao Wu, Tao Qi +1

Personalized news recommendation is an essential technique for online news services. News articles usually contain rich textual content, and accurate news modeling is important for…

cs.IR2021★ 10 cited

MM-Rec: Multimodal News Recommendation

Chuhan Wu, Fangzhao Wu, Tao Qi +1

Accurate news representation is critical for news recommendation. Most of existing news representation methods learn news representations only from news texts while ignore the visu…

cs.IR2021★ 4 cited

Two Birds with One Stone: Unified Model Learning for Both Recall and Ranking in News Recommendation

Chuhan Wu, Fangzhao Wu, Tao Qi +1

Recall and ranking are two critical steps in personalized news recommendation. Most existing news recommender systems conduct personalized news recall and ranking separately with d…

cs.IR2021★ 305 cited

FedGNN: Federated Graph Neural Network for Privacy-Preserving Recommendation

Chuhan Wu, Fangzhao Wu, Yang Cao +2

Graph neural network (GNN) is widely used for recommendation to model high-order interactions between users and items. Existing GNN-based recommendation methods rely on centralized…

cs.IR2021★ 8 cited

FeedRec: News Feed Recommendation with Various User Feedbacks

Chuhan Wu, Fangzhao Wu, Tao Qi +1

Accurate user interest modeling is important for news recommendation. Most existing methods for news recommendation rely on implicit feedbacks like click for inferring user interes…

cs.IR2020★ 10 cited

PTUM: Pre-training User Model from Unlabeled User Behaviors via Self-supervision

Chuhan Wu, Fangzhao Wu, Tao Qi +3

User modeling is critical for many personalized web services. Many existing methods model users based on their behaviors and the labeled data of target tasks. However, these method…

cs.IR2020★ 141 cited

Graph Enhanced Representation Learning for News Recommendation

Suyu Ge, Chuhan Wu, Fangzhao Wu +2

With the explosion of online news, personalized news recommendation becomes increasingly important for online news platforms to help their users find interesting information. Exist…

cs.IR2020★ 11 cited

Privacy-Preserving News Recommendation Model Learning

Tao Qi, Fangzhao Wu, Chuhan Wu +2

News recommendation aims to display news articles to users based on their personal interest. Existing news recommendation methods rely on centralized storage of user behavior data…