activity
20242026
most citedMasked Random Noise for Communication Efficient Federated Learning

7 citations · 8 across the 16 of their papers we have counts for

collaborators

16 papers

cs.IR2026

When Memory Takes Gradients: Collaborative Vector Memory for Agentic Recommender Systems

Hanchong Chen, Xing Tang, Lingjie Li +2

Agentic recommender systems ground each decision of a large language model (LLM) in a persistent memory of the user, and in existing agents that memory is text: a narrative written…

cs.IR2026

Fighting Numerical Hallucinations via Data-centric Compilation for Online Financial QA

Hao Chen, Xing Tang, Qirui Liu +6

Large Language Models (LLMs) have significantly advanced online data services, particularly in the domain of financial question answering (FinQA). However, such systems remain susc…

cs.IR2026

Looking Farther with Confidence: Uncertainty-Guided Future Learning for Sequential Recommendation

Ziqiang Cui, Xing Tang, Peiyang Liu +4

Sequential recommendation effectively models dynamic user interests but continues to face challenges related to data sparsity. While self-supervised learning has alleviated this is…

cs.IR2026

Data-Driven Function Calling Improvements in Large Language Model for Online Financial QA

Xing Tang, Hao Chen, Shiwei Li +7

Large language models (LLMs) have been incorporated into numerous industrial applications. Meanwhile, a vast array of API assets is scattered across various functions in the financ…

cs.IR2026

Retrieve-then-Adapt: Retrieval-Augmented Test-Time Adaptation for Sequential Recommendation

Xing Tang, Ziqiang Cui, Jingyang Bin +6

The sequential recommendation (SR) task aims to predict the next item based on users' historical interaction sequences. Typically trained on historical data, SR models often strugg…

cs.IR2025

Automated Information Flow Selection for Multi-scenario Multi-task Recommendation

Chaohua Yang, Dugang Liu, Shiwei Li +6

Multi-scenario multi-task recommendation (MSMTR) systems must address recommendation demands across diverse scenarios while simultaneously optimizing multiple objectives, such as c…

cs.CL2025

Beyond Higher Rank: Token-wise Input-Output Projections for Efficient Low-Rank Adaptation

Shiwei Li, Xiandi Luo, Haozhao Wang +6

Low-rank adaptation (LoRA) is a parameter-efficient fine-tuning (PEFT) method widely used in large language models (LLMs). LoRA essentially describes the projection of an input spa…

cs.LG2025

BoRA: Towards More Expressive Low-Rank Adaptation with Block Diversity

Shiwei Li, Xiandi Luo, Haozhao Wang +6

Low-rank adaptation (LoRA) is a parameter-efficient fine-tuning (PEFT) method widely used in large language models (LLMs). It approximates the update of a pretrained weight matrix…

cs.CL2025

Less Is More: Elevating RAG via Performance-Driven Context Compression

Ziqiang Cui, Yunpeng Weng, Xing Tang +7

Retrieval-Augmented Generation (RAG) has emerged as a promising paradigm for improving the timeliness of knowledge updates and the factual accuracy of large language models. Howeve…

cs.LG2025

Beyond Zero Initialization: Investigating the Impact of Non-Zero Initialization on LoRA Fine-Tuning Dynamics

Shiwei Li, Xiandi Luo, Xing Tang +6

Low-rank adaptation (LoRA) is a widely used parameter-efficient fine-tuning method. In standard LoRA layers, one of the matrices, or , is initialized to zero, ensuring that…

cs.LG2025

The Panaceas for Improving Low-Rank Decomposition in Communication-Efficient Federated Learning

Shiwei Li, Xiandi Luo, Haozhao Wang +6

To improve the training efficiency of federated learning (FL), previous research has employed low-rank decomposition techniques to reduce communication overhead. In this paper, we…

cs.IR2025

Semantic Retrieval Augmented Contrastive Learning for Sequential Recommendation

Ziqiang Cui, Yunpeng Weng, Xing Tang +8

Contrastive learning has shown effectiveness in improving sequential recommendation models. However, existing methods still face challenges in generating high-quality contrastive p…

cs.IR2024★ 1 cited

Mixed-Precision Embeddings for Large-Scale Recommendation Models

Shiwei Li, Zhuoqi Hu, Xing Tang +6

Embedding techniques have become essential components of large databases in the deep learning era. By encoding discrete entities, such as words, items, or graph nodes, into continu…

cs.LG2024★ 7 cited

Masked Random Noise for Communication Efficient Federated Learning

Shiwei Li, Yingyi Cheng, Haozhao Wang +7

Federated learning is a promising distributed training paradigm that effectively safeguards data privacy. However, it may involve significant communication costs, which hinders tra…

cs.IR2024

Efficient Transfer Learning Framework for Cross-Domain Click-Through Rate Prediction

Qi Liu, Xingyuan Tang, Jianqiang Huang +9

Natural content and advertisement coexist in industrial recommendation systems but differ in data distribution. Concretely, traffic related to the advertisement is considerably spa…

cs.LG2024

FedBAT: Communication-Efficient Federated Learning via Learnable Binarization

Shiwei Li, Wenchao Xu, Haozhao Wang +7

Federated learning is a promising distributed machine learning paradigm that can effectively exploit large-scale data without exposing users' privacy. However, it may incur signifi…