activity
20222026
most citedEmbedding Compression in Recommender Systems: A Survey

24 citations · 60 across the 25 of their papers we have counts for

collaborators

25 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

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.CL2026

Step 3.5 Flash: Open Frontier-Level Intelligence with 11B Active Parameters

Ailin Huang, Ang Li, Aobo Kong +213

We introduce Step 3.5 Flash, a sparse Mixture-of-Experts (MoE) model that bridges frontier-level agentic intelligence and computational efficiency. We focus on what matters most wh…

cs.AI2026

Nonlinearity as Rank: Generative Low-Rank Adapter with Radial Basis Functions

Yihao Ouyang, Shiwei Li, Haozhao Wang +7

Low-rank adaptation (LoRA) approximates the update of a pretrained weight matrix using the product of two low-rank matrices. However, standard LoRA follows an explicit-rank paradig…

cs.CL2025

Step-DeepResearch Technical Report

Chen Hu, Haikuo Du, Heng Wang +64

As LLMs shift toward autonomous agents, Deep Research has emerged as a pivotal metric. However, existing academic benchmarks like BrowseComp often fail to meet real-world demands f…

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

FedBiF: Communication-Efficient Federated Learning via Bits Freezing

Shiwei Li, Qunwei Li, Haozhao Wang +3

Federated learning (FL) is an emerging distributed machine learning paradigm that enables collaborative model training without sharing local data. Despite its advantages, FL suffer…

cs.CV2025

AttriPrompt: Dynamic Prompt Composition Learning for CLIP

Qiqi Zhan, Shiwei Li, Qingjie Liu +1

The evolution of prompt learning methodologies has driven exploration of deeper prompt designs to enhance model performance. However, current deep text prompting approaches suffer…

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.CV2025

The Power of Many: Synergistic Unification of Diverse Augmentations for Efficient Adversarial Robustness

Wang Yu-Hang, Shiwei Li, Jianxiang Liao +3

Adversarial perturbations pose a significant threat to deep learning models. Adversarial Training (AT), the predominant defense method, faces challenges of high computational costs…

cs.LG2025

Ignition Phase : Standard Training for Fast Adversarial Robustness

Wang Yu-Hang, Liu ying, Fang liang +6

Adversarial Training (AT) is a cornerstone defense, but many variants overlook foundational feature representations by primarily focusing on stronger attack generation. We introduc…

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.CV2024

ONER: Online Experience Replay for Incremental Anomaly Detection

Yizhou Jin, Jiahui Zhu, Guodong Wang +5

Incremental anomaly detection aims to sequentially identify defects in industrial product lines but suffers from catastrophic forgetting, primarily due to knowledge overwriting dur…

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.CL2024★ 7 cited

A Survey on Data Synthesis and Augmentation for Large Language Models

Ke Wang, Jiahui Zhu, Minjie Ren +8

The success of Large Language Models (LLMs) is inherently linked to the availability of vast, diverse, and high-quality data for training and evaluation. However, the growth rate o…

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.IR2024★ 24 cited

Embedding Compression in Recommender Systems: A Survey

Shiwei Li, Huifeng Guo, Xing Tang +4

To alleviate the problem of information explosion, recommender systems are widely deployed to provide personalized information filtering services. Usually, embedding tables are emp…

cs.CV2023★ 1 cited

DSD-DA: Distillation-based Source Debiasing for Domain Adaptive Object Detection

Yongchao Feng, Shiwei Li, Yingjie Gao +4

Though feature-alignment based Domain Adaptive Object Detection (DAOD) methods have achieved remarkable progress, they ignore the source bias issue, i.e., the detector tends to acq…