activity
20222026
most citedThe Machine Learning for Combinatorial Optimization Competition (ML4CO): Results and Insights

7 citations · 19 across the 12 of their papers we have counts for

collaborators

12 papers

cs.NE2026

Relation Reasoning with LLMs in Expensive Optimization

Ye Lu, Bingdong Li, Aimin Zhou +1

Expensive optimization problems (EOPs) are black-box tasks with costly objective evaluations and no gradient access, making the evaluation budget the key bottleneck. Surrogate-assi…

cs.AI2026

IB-GRPO: Aligning LLM-based Learning Path Recommendation with Educational Objectives via Indicator-Based Group Relative Policy Optimization

Shuai Wang, Yaoming Yang, Bingdong Li +2

Learning Path Recommendation (LPR) aims to generate personalized sequences of learning items that maximize long-term learning effect while respecting pedagogical principles and ope…

cs.AI2025

EA4LLM: A Gradient-Free Approach to Large Language Model Optimization via Evolutionary Algorithms

WenTao Liu, Siyu Song, Hao Hao +1

In recent years, large language models (LLMs) have made remarkable progress, with model optimization primarily relying on gradient-based optimizers such as Adam. However, these gra…

physics.chem-ph2025

A Large Language Model for Chemistry and Retrosynthesis Predictions

Yueqing Zhang, Wentao Liu, Yan Zhang +9

Large language models (LLM) have achieved impressive progress across a broad range of general-purpose tasks, but their effectiveness in chemistry remains limited due to scarce doma…

cs.NE2024

Un-evaluated Solutions May Be Valuable in Expensive Optimization

Hao Hao, Xiaoqun Zhang, Aimin Zhou

Expensive optimization problems (EOPs) are prevalent in real-world applications, where the evaluation of a single solution requires a significant amount of resources. In our study…

cs.CL2024★ 2 cited

It's Morphing Time: Unleashing the Potential of Multiple LLMs via Multi-objective Optimization

Bingdong Li, Zixiang Di, Yanting Yang +5

In this paper, we introduce a novel approach for addressing the multi-objective optimization problem in large language model merging via black-box multi-objective optimization algo…

cs.NE2024

Large Language Models as Surrogate Models in Evolutionary Algorithms: A Preliminary Study

Hao Hao, Xiaoqun Zhang, Aimin Zhou

Large Language Models (LLMs) have achieved significant progress across various fields and have exhibited strong potential in evolutionary computation, such as generating new soluti…

cs.NE2024★ 1 cited

A First Look at Kolmogorov-Arnold Networks in Surrogate-assisted Evolutionary Algorithms

Hao Hao, Xiaoqun Zhang, Bingdong Li +1

Surrogate-assisted Evolutionary Algorithm (SAEA) is an essential method for solving expensive expensive problems. Utilizing surrogate models to substitute the optimization function…

cs.NE2024

Model Uncertainty in Evolutionary Optimization and Bayesian Optimization: A Comparative Analysis

Hao Hao, Xiaoqun Zhang, Aimin Zhou

Black-box optimization problems, which are common in many real-world applications, require optimization through input-output interactions without access to internal workings. This…

cs.NE2023★ 4 cited

Enhancing SAEAs with Unevaluated Solutions: A Case Study of Relation Model for Expensive Optimization

Hao Hao, Xiaoqun Zhang, Aimin Zhou

Surrogate-assisted evolutionary algorithms (SAEAs) hold significant importance in resolving expensive optimization problems~(EOPs). Extensive efforts have been devoted to improving…

cs.AI2023★ 5 cited

Evolutionary Retrosynthetic Route Planning

Yan Zhang, Hao Hao, Xiao He +2

Molecular retrosynthesis is a significant and complex problem in the field of chemistry, however, traditional manual synthesis methods not only need well-trained experts but also a…

cs.LG2022★ 7 cited

The Machine Learning for Combinatorial Optimization Competition (ML4CO): Results and Insights

Maxime Gasse, Quentin Cappart, Jonas Charfreitag +38

Combinatorial optimization is a well-established area in operations research and computer science. Until recently, its methods have focused on solving problem instances in isolatio…