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20242026
most citedRobust Federated Contrastive Recommender System against Model Poisoning Attack

4 citations · 11 across the 19 of their papers we have counts for

collaborators

22 papers

cs.CR2026

An Efficient and Effective Agentic Group Shilling Attack on Recommender Systems

Quoc Viet Nguyen, Trinh Pham, Viet Huynh +4

Recommender systems have become core infrastructure for modern online platforms, personalizing content at scale and strongly influencing what users see, click on, and purchase. How…

cs.LG2026

Denoising-Aware Inversion: Revealing Privacy Risks in Noise-Protected Text Embeddings

Yubo Wang, Shujie Cui, James Bailey +5

Dense text embeddings are widely used in data mining, retrieval, and downstream machine learning systems due to their compact and semantically rich representations, but recent embe…

cs.LG2026

Learning to Evaluate: Cost-Effective Model Evaluation on Unlabeled Data with Meta-Learning

Trinh Pham, Viet Huynh, Hongzhi Yin +2

The rapid advancement of machine learning has led to an unprecedented expansion of model ecosystems, making it increasingly difficult to assess the reliability of newly released mo…

cs.CL2026

An Efficient and Effective Evaluator for Text2SQL Models on Unseen and Unlabeled Data

Trinh Pham, Thanh Tam Nguyen, Viet Huynh +2

Recent advances in large language models have strengthened Text2SQL systems that translate natural language questions into database queries. A persistent deployment challenge is to…

cs.DB2025

A Multi-agent Text2SQL Framework using Small Language Models and Execution Feedback

Thanh Dat Hoang, Thanh Trung Huynh, Matthias Weidlich +4

Text2SQL, the task of generating SQL queries from natural language text, is a critical challenge in data engineering. Recently, Large Language Models (LLMs) have demonstrated super…

cs.DB2025

Scaling Text2SQL via LLM-efficient Schema Filtering with Functional Dependency Graph Rerankers

Thanh Dat Hoang, Thanh Tam Nguyen, Thanh Trung Huynh +2

Most modern Text2SQL systems prompt large language models (LLMs) with entire schemas -- mostly column information -- alongside the user's question. While effective on small databas…

cs.IR2025

Proxy Model-Guided Reinforcement Learning for Client Selection in Federated Recommendation

Liang Qu, Jianxin Li, Wei Yuan +3

Federated recommender systems have emerged as a promising privacy-preserving paradigm, enabling personalized recommendation services without exposing users' raw data. By keeping da…

cs.LG2025

Controllable and Stealthy Shilling Attacks via Dispersive Latent Diffusion

Shutong Qiao, Wei Yuan, Junliang Yu +3

Recommender systems (RSs) are now fundamental to various online platforms, but their dependence on user-contributed data leaves them vulnerable to shilling attacks that can manipul…

cs.IR2025

Efficient Multimodal Streaming Recommendation via Expandable Side Mixture-of-Experts

Yunke Qu, Liang Qu, Tong Chen +2

Streaming recommender systems (SRSs) are widely deployed in real-world applications, where user interests shift and new items arrive over time. As a result, effectively capturing u…

cs.LG2024

Tackling Data Heterogeneity in Federated Time Series Forecasting

Wei Yuan, Guanhua Ye, Xiangyu Zhao +3

Time series forecasting plays a critical role in various real-world applications, including energy consumption prediction, disease transmission monitoring, and weather forecasting.…

cs.CV2024

Instruction-Guided Editing Controls for Images and Multimedia: A Survey in LLM era

Thanh Tam Nguyen, Zhao Ren, Trinh Pham +4

The rapid advancement of large language models (LLMs) and multimodal learning has transformed digital content creation and manipulation. Traditional visual editing tools require si…

cs.IR2024

Scalable and Effective Negative Sample Generation for Hyperedge Prediction

Shilin Qu, Weiqing Wang, Yuan-Fang Li +2

Hyperedge prediction is crucial in hypergraph analysis for understanding complex multi-entity interactions in various web-based applications, including social networks and e-commer…

cs.IR2024

FELLAS: Enhancing Federated Sequential Recommendation with LLM as External Services

Wei Yuan, Chaoqun Yang, Guanhua Ye +3

Federated sequential recommendation (FedSeqRec) has gained growing attention due to its ability to protect user privacy. Unfortunately, the performance of FedSeqRec is still unsati…

cs.IR2024★ 1 cited

Heterogeneous Hypergraph Embedding for Recommendation Systems

Darnbi Sakong, Viet Hung Vu, Thanh Trung Huynh +4

Recent advancements in recommender systems have focused on integrating knowledge graphs (KGs) to leverage their auxiliary information. The core idea of KG-enhanced recommenders is…

cs.IR2024★ 1 cited

PTF-FSR: A Parameter Transmission-Free Federated Sequential Recommender System

Wei Yuan, Chaoqun Yang, Liang Qu +3

Sequential recommender systems have made significant progress. Recently, due to increasing concerns about user data privacy, some researchers have implemented federated learning fo…

cs.CR2024

Manipulating Recommender Systems: A Survey of Poisoning Attacks and Countermeasures

Thanh Toan Nguyen, Quoc Viet Hung Nguyen, Thanh Tam Nguyen +4

Recommender systems have become an integral part of online services to help users locate specific information in a sea of data. However, existing studies show that some recommender…

cs.IR2024

Automated Similarity Metric Generation for Recommendation

Liang Qu, Yun Lin, Wei Yuan +3

The embedding-based architecture has become the dominant approach in modern recommender systems, mapping users and items into a compact vector space. It then employs predefined sim…

cs.CR2024★ 4 cited

A Survey of Privacy-Preserving Model Explanations: Privacy Risks, Attacks, and Countermeasures

Thanh Tam Nguyen, Thanh Trung Huynh, Zhao Ren +4

As the adoption of explainable AI (XAI) continues to expand, the urgency to address its privacy implications intensifies. Despite a growing corpus of research in AI privacy and exp…

cs.IR2024★ 4 cited

Robust Federated Contrastive Recommender System against Model Poisoning Attack

Wei Yuan, Chaoqun Yang, Liang Qu +3

Federated Recommender Systems (FedRecs) have garnered increasing attention recently, thanks to their privacy-preserving benefits. However, the decentralized and open characteristic…

cs.LG2024

OntoMedRec: Logically-Pretrained Model-Agnostic Ontology Encoders for Medication Recommendation

Weicong Tan, Weiqing Wang, Xin Zhou +3

Most existing medication recommendation models learn representations for medical concepts based on electronic health records (EHRs) and make recommendations with learnt representat…

cs.IR2024★ 1 cited

Towards Personalized Privacy: User-Governed Data Contribution for Federated Recommendation

Liang Qu, Wei Yuan, Ruiqi Zheng +3

Federated recommender systems (FedRecs) have gained significant attention for their potential to protect user's privacy by keeping user privacy data locally and only communicating…

cs.CL2024

ROIC-DM: Robust Text Inference and Classification via Diffusion Model

Shilong Yuan, Wei Yuan, Hongzhi Yin +1

While language models have made many milestones in text inference and classification tasks, they remain susceptible to adversarial attacks that can lead to unforeseen outcomes. Exi…