activity
20232026
most citedMasked Random Noise for Communication Efficient Federated Learning

7 citations · 8 across the 12 of their papers we have counts for

collaborators

12 papers

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

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.LG2026

Hindsight Credit Assignment for Long-Horizon LLM Agents

Hui-Ze Tan, Xiao-Wen Yang, Hao Chen +7

Large Language Model (LLM) agents often face significant credit assignment challenges in long-horizon, multi-step tasks due to sparse rewards. Existing value-free methods, such as…

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.IR2025

BlossomRec: Block-level Fused Sparse Attention Mechanism for Sequential Recommendations

Mengyang Ma, Xiaopeng Li, Wanyu Wang +9

Transformer structures have been widely used in sequential recommender systems (SRS). However, as user interaction histories increase, computational time and memory requirements al…

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.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…

cs.LG2023

Towards Hybrid-grained Feature Interaction Selection for Deep Sparse Network

Fuyuan Lyu, Xing Tang, Dugang Liu +5

Deep sparse networks are widely investigated as a neural network architecture for prediction tasks with high-dimensional sparse features, with which feature interaction selection i…