activity
20232026
most citedL-AutoDA: Leveraging Large Language Models for Automated Decision-based Adversarial Attacks

5 citations · 20 across the 17 of their papers we have counts for

collaborators

17 papers

cs.AI2026

Few-for-Many Personalized Federated Learning

Ping Guo, Tiantian Zhang, Xi Lin +3

Personalized Federated Learning (PFL) aims to train customized models for clients with highly heterogeneous data distributions while preserving data privacy. Existing approaches of…

cs.LG2026

Quality-Diversity Optimization as Multi-Objective Optimization

Xi Lin, Ping Guo, Yilu Liu +2

The Quality-Diversity (QD) optimization aims to discover a collection of high-performing solutions that simultaneously exhibit diverse behaviors within a user-defined behavior spac…

cs.LG2025

FoMEMO: Towards Foundation Models for Expensive Multi-objective Optimization

Yiming Yao, Fei Liu, Liang Zhao +3

Expensive multi-objective optimization is a prevalent and crucial concern in many real-world scenarios, where sample-efficiency is vital due to the limited evaluations to recover t…

q-fin.PM2025

Evolutionary Factor Searching for Sparse Portfolio Optimization Using Large Language Models

Jiandong Chen, Haochen Luo, Yuan Zhang +2

Sparse portfolio optimization is a fundamental yet challenging problem in quantitative finance. Traditional approaches often use static objectives and thus adapt poorly to dynamic…

cs.LG2025

Reinforcement Fine-Tuning Naturally Mitigates Forgetting in Continual Post-Training

Song Lai, Haohan Zhao, Rong Feng +9

Continual post-training (CPT) is a popular and effective technique for adapting foundation models like multimodal large language models to ever-evolving downstream tasks. While exi…

cs.LG2025★ 1 cited

Gradient-Based Multi-Objective Deep Learning: Algorithms, Theories, Applications, and Beyond

Weiyu Chen, Baijiong Lin, Xiaoyuan Zhang +4

Many modern deep learning applications require balancing multiple objectives that are often conflicting. Examples include multi-task learning, fairness-aware learning, and the alig…

cs.AI2024

CoEvo: Continual Evolution of Symbolic Solutions Using Large Language Models

Ping Guo, Qingfu Zhang, Xi Lin

The discovery of symbolic solutions -- mathematical expressions, logical rules, and algorithmic structures -- is fundamental to advancing scientific and engineering progress. Howev…

cs.MS2024

LibMOON: A Gradient-based MultiObjective OptimizatioN Library in PyTorch

Xiaoyuan Zhang, Liang Zhao, Yingying Yu +4

Multiobjective optimization problems (MOPs) are prevalent in machine learning, with applications in multi-task learning, learning under fairness or robustness constraints, etc. Ins…

cs.CR2024★ 1 cited

Exploring the Adversarial Frontier: Quantifying Robustness via Adversarial Hypervolume

Ping Guo, Cheng Gong, Xi Lin +2

The escalating threat of adversarial attacks on deep learning models, particularly in security-critical fields, has underscored the need for robust deep learning systems. Conventio…

cs.LG2024★ 1 cited

PMGDA: A Preference-based Multiple Gradient Descent Algorithm

Xiaoyuan Zhang, Xi Lin, Qingfu Zhang

It is desirable in many multi-objective machine learning applications, such as multi-task learning with conflicting objectives and multi-objective reinforcement learning, to find a…

cs.LG2024

UMOEA/D: A Multiobjective Evolutionary Algorithm for Uniform Pareto Objectives based on Decomposition

Xiaoyuan Zhang, Xi Lin, Yichi Zhang +2

Multiobjective optimization (MOO) is prevalent in numerous applications, in which a Pareto front (PF) is constructed to display optima under various preferences. Previous methods c…

cs.LG2024★ 3 cited

Smooth Tchebycheff Scalarization for Multi-Objective Optimization

Xi Lin, Xiaoyuan Zhang, Zhiyuan Yang +3

Multi-objective optimization problems can be found in many real-world applications, where the objectives often conflict each other and cannot be optimized by a single solution. In…

cs.LG2024★ 2 cited

Multi-Task Learning for Routing Problem with Cross-Problem Zero-Shot Generalization

Fei Liu, Xi Lin, Zhenkun Wang +3

Vehicle routing problems (VRPs), which can be found in numerous real-world applications, have been an important research topic for several decades. Recently, the neural combinatori…

cs.CL2024★ 3 cited

Panacea: Pareto Alignment via Preference Adaptation for LLMs

Yifan Zhong, Chengdong Ma, Xiaoyuan Zhang +5

Current methods for large language model alignment typically use scalar human preference labels. However, this convention tends to oversimplify the multi-dimensional and heterogene…

cs.CR2024★ 5 cited

L-AutoDA: Leveraging Large Language Models for Automated Decision-based Adversarial Attacks

Ping Guo, Fei Liu, Xi Lin +2

In the rapidly evolving field of machine learning, adversarial attacks present a significant challenge to model robustness and security. Decision-based attacks, which only require…

cs.CR2024

PuriDefense: Randomized Local Implicit Adversarial Purification for Defending Black-box Query-based Attacks

Ping Guo, Xiang Li, Zhiyuan Yang +3

Black-box query-based attacks constitute significant threats to Machine Learning as a Service (MLaaS) systems since they can generate adversarial examples without accessing the tar…

cs.NE2023★ 4 cited

Dealing with Structure Constraints in Evolutionary Pareto Set Learning

Xi Lin, Xiaoyuan Zhang, Zhiyuan Yang +1

In the past few decades, many multiobjective evolutionary optimization algorithms (MOEAs) have been proposed to find a finite set of approximate Pareto solutions for a given proble…