NL4Opt Competition: Formulating Optimization Problems Based on Their Natural Language Descriptions
NeurIPS 2022 Competition Track (2023)
Publications & Presentations
AI for Operations Research
Optimization Modeling and Verification from Problem Specifications Using a Multi-Agent Multi-Stage LLM Framework
INFOR: Information Systems and Operational Research (2024)
Evaluating LLM Reasoning in the Operations Research Domain with ORQA
Proceedings of the AAAI Conference on Artificial Intelligence (2025)
Towards Human-Aligned Evaluation for Linear Programming Word Problems
Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (2024)
LaTeX2Solver: A Hierarchical Semantic Parsing of LaTeX Document into Code for an Assistive Optimization Modeling Application
Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (2023)
EvoCut: Strengthening Integer Programs via Evolution-Guided Language Models
arXiv preprint arXiv:2508.11850 (2025)
SMARTAPS: Tool-Augmented LLMs for Operations Management
arXiv preprint arXiv:2507.17927 (2025)
Multi-Agent System (MAS) Optimization
MASPRM: Multi-Agent System Process Reward Model
arXiv preprint arXiv:2510.24803 (2025)
Optimization Real-World Applications
Inequity-Averse Shelter Location for Disaster Preparedness
IISE Transactions (2019)
Two Dimensional Guillotine Cutting Stock and Scheduling Problem in Printing Industry
Computers & Operations Research (2022)
A Branch-and-Price Algorithm for Fast and Equitable Last-Mile Relief Aid Distribution
European Journal of Operational Research (2025)
Methodological Advancements in OR
Bayan Algorithm: Detecting Communities in Networks Through Exact and Approximate Optimization of Modularity
Physical Review E (2024)
Analyzing Modularity Maximization in Approximation, Heuristic, and Graph Neural Network Algorithms for Community Detection
Journal of Computational Science (2024)
Heuristic Modularity Maximization Algorithms for Community Detection Rarely Return an Optimal Partition or Anything Similar
International Conference on Computational Science ICCS (2023)
Discrete Optimization of Min-Max Violation and Its Applications Across Computational Sciences
arXiv preprint arXiv:2508.13437 (2025)
Patents
Methods and Systems for Specification Extraction and Model Building Using Language Models
WO Patent WO2025043698A1 (2025)
Methods and Systems for Explainable Template Retrieval for Optimization Modeling
WO Patent WO2024174195A1 (2024)
Systems and Methods for Towards Human-Aligned Evaluation for Auto-Formulating Optimization Modeling with Large Language Models
US Patent App. 18/381,239 (2025)