@inproceedings{zhao2026trajevo,title={{TrajEvo}: Trajectory Prediction Heuristics Design via LLM-driven Evolution},author={Zhao, Zhikai and Hua, Chuanbo and Berto, Federico and Lee, Kanghoon and Ma, Zihan and Li, Jiachen and Park, Jinkyoo},booktitle={Proceedings of the AAAI Conference on Artificial Intelligence},year={2026},url={https://github.com/ai4co/trajevo},}
AAAI
USPR: Learning a Unified Solver for Profiled Routing
Chuanbo Hua*, Federico Berto*, Zhikai Zhao, and 3 more authors
In Proceedings of the AAAI Conference on Artificial Intelligence, 2026
@inproceedings{hua2026uspr,title={{USPR}: Learning a Unified Solver for Profiled Routing},author={Hua, Chuanbo and Berto, Federico and Zhao, Zhikai and Son, Jiwoo and Kwon, Changhyun and Park, Jinkyoo},booktitle={Proceedings of the AAAI Conference on Artificial Intelligence},year={2026},url={https://github.com/ai4co/uspr},}
2025
NeurIPS
PARCO: Parallel AutoRegressive Models for Multi-Agent Combinatorial Optimization
Federico Berto*, Chuanbo Hua*, Laurin Luttmann*, and 6 more authors
In Advances in Neural Information Processing Systems, 2025
@inproceedings{berto2025parco,title={{PARCO: Parallel AutoRegressive Models for Multi-Agent Combinatorial Optimization}},author={Berto, Federico and Hua, Chuanbo and Luttmann, Laurin and Son, Jiwoo and Park, Junyoung and Ahn, Kyuree and Kwon, Changhyun and Xie, Lin and Park, Jinkyoo},booktitle={Advances in Neural Information Processing Systems},year={2025},}
NeurIPS WS
Neural Combinatorial Optimization for Real-World Routing
Jiwoo Son*, Zhikai Zhao*, Federico Berto*, and 3 more authors
NeurIPS Workshop on Differentiable Learning of Combinatorial Algorithms, 2025
@article{son2025neural,title={Neural Combinatorial Optimization for Real-World Routing},author={Son, Jiwoo and Zhao, Zhikai and Berto, Federico and Hua, Chuanbo and Kwon, Changhyun and Park, Jinkyoo},journal={NeurIPS Workshop on Differentiable Learning of Combinatorial Algorithms},year={2025},}
TMLR
RouteFinder: Towards Foundation Models for Vehicle Routing Problems
Federico Berto*, Chuanbo Hua*, Nayeli Gast Zepeda*, and 6 more authors
Previously presented as an Oral at the ICML 2024 Workshop on Foundation Models in the Wild
@article{berto2025routefinder,title={{RouteFinder: Towards Foundation Models for Vehicle Routing Problems}},author={Berto, Federico and Hua, Chuanbo and Zepeda, Nayeli Gast and Hottung, Andr{\'e} and Wouda, Niels and Lan, Leon and Park, Junyoung and Tierney, Kevin and Park, Jinkyoo},journal={Transactions on Machine Learning Research},issn={2835-8856},year={2025},url={https://openreview.net/forum?id=QzGLoaOPiY},}
KDD
RL4CO: an Extensive Reinforcement Learning for Combinatorial Optimization Benchmark
Federico Berto*, Chuanbo Hua*, Junyoung Park*, and 27 more authors
In Proceedings of the 31st ACM SIGKDD Conference on Knowledge Discovery and Data Mining, 2025
Oral Presentation. Previously presented as an oral at NeurIPS 2023 Workshop: New Frontiers in Graph Learning
@inproceedings{berto2025rl4co,title={{RL4CO: an Extensive Reinforcement Learning for Combinatorial Optimization Benchmark}},author={Berto, Federico and Hua, Chuanbo and Park, Junyoung and Luttmann, Laurin and Ma, Yining and Bu, Fanchen and Wang, Jiarui and Ye, Haoran and Kim, Minsu and Choi, Sanghyeok and Zepeda, Nayeli Gast and Hottung, Andr\'e and Zhou, Jianan and Bi, Jieyi and Hu, Yu and Liu, Fei and Kim, Hyeonah and Son, Jiwoo and Kim, Haeyeon and Angioni, Davide and Kool, Wouter and Cao, Zhiguang and Zhang, Jie and Shin, Kijung and Wu, Cathy and Ahn, Sungsoo and Song, Guojie and Kwon, Changhyun and Xie, Lin and Park, Jinkyoo},booktitle={Proceedings of the 31st ACM SIGKDD Conference on Knowledge Discovery and Data Mining},year={2025},url={https://rl4.co/},}
IEEE T-CPMT
Advanced Chiplet Placement and Routing Optimization considering Signal Integrity
Haeyeon Kim, Junghyun Lee, Seonguk Choi, and 8 more authors
IEEE Transactions on Components, Packaging and Manufacturing Technology, 2025
DesignCon
Accelerating Chiplet Placement & Routing Optimization with Machine Learning
Haeyeon Kim*, Federico Berto*, Junghyun Lee, and 6 more authors
@inproceedings{kim2025chiplet,title={Accelerating Chiplet Placement \& Routing Optimization with Machine Learning},author={Kim, Haeyeon and Berto, Federico and Lee, Junghyun and An, Hyunjun and Shin, Taein and Hua, Chuanbo and Park, Jinkyoo and Kim, Youngwoo and Kim, Joungho},booktitle={DesignCon},year={2025},}
AAMAS
CAMP: Collaborative Attention Model with Profiles for Vehicle Routing Problems
Chuanbo Hua*, Federico Berto*, Jiwoo Son*, and 3 more authors
International Conference on Autonomous Agents and Multiagent Systems, 2025
@article{hua2025camp,title={{CAMP: Collaborative Attention Model with Profiles for Vehicle Routing Problems}},author={Hua, Chuanbo and Berto, Federico and Son, Jiwoo and Kang, Seunghyun and Kwon, Changhyun and Park, Jinkyoo},journal={International Conference on Autonomous Agents and Multiagent Systems},year={2025},eprint={2501.02977},eprinttype={arXiv},eprintclass={cs},doi={10.48550/arXiv.2501.02977},url={http://arxiv.org/abs/2501.02977},}
2024
NeurIPS
ReEvo: Large Language Models as Hyper-Heuristics with Reflective Evolution
Haoran Ye, Jiarui Wang, Zhiguang Cao, and 5 more authors
In Advances in Neural Information Processing Systems, 2024
@inproceedings{ye2024reevo,title={ReEvo: Large Language Models as Hyper-Heuristics with Reflective Evolution},author={Ye, Haoran and Wang, Jiarui and Cao, Zhiguang and Berto, Federico and Hua, Chuanbo and Kim, Haeyeon and Park, Jinkyoo and Song, Guojie},booktitle={Advances in Neural Information Processing Systems},year={2024},}
IROS
Ensembling Prioritized Hybrid Policies for Multi-agent Pathfinding
Huijie Tang*, Federico Berto*, and Jinkyoo Park
In 2024 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2024
@inproceedings{tang2024eph,title={Ensembling Prioritized Hybrid Policies for Multi-agent Pathfinding},author={Tang, Huijie and Berto, Federico and Park, Jinkyoo},booktitle={2024 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)},organization={IEEE},year={2024},}
AAMAS EA
Ensembling Prioritized Hybrid Policies for Multi-agent Pathfinding
Huijie Tang*, Federico Berto*, Zihan Ma, and 3 more authors
@inproceedings{tang2024himap,title={Ensembling Prioritized Hybrid Policies for Multi-agent Pathfinding},author={Tang, Huijie and Berto, Federico and Ma, Zihan and Hua, Chuanbo and Ahn, Kyuree and Park, Jinkyoo},booktitle={AAMAS},year={2024},}
2023
NeurIPS
Learning Efficient Surrogate Dynamic Models with Graph Spline Networks
Chuanbo Hua*, Federico Berto*, Michael Poli, and 2 more authors
Previous version at ICML 2022 AI4Science WS: Oral Presentation
@inproceedings{hua2023learning,title={Learning Efficient Surrogate Dynamic Models with Graph Spline Networks},author={Hua, Chuanbo and Berto, Federico and Poli, Michael and Massaroli, Stefano and Park, Jinkyoo},journal={Advances in Neural Information Processing Systems},year={2023},}
NeurIPS
Bootstrapped Training of Score-Conditioned Generator for Offline Design of Biological Sequences
Minsu Kim, Federico Berto, Sungsoo Ahn, and 1 more author
@inproceedings{kim2023bootstrapped,title={Bootstrapped Training of Score-Conditioned Generator for Offline Design of Biological Sequences},author={Kim, Minsu and Berto, Federico and Ahn, Sungsoo and Park, Jinkyoo},journal={Advances in Neural Information Processing Systems},year={2023},}
ICML
DevFormer: a symmetric transformer for context-aware device placement
Haeyeon Kim*, Minsu Kim*, Federico Berto, and 2 more authors
In International Conference on Machine Learning, 2023
@inproceedings{kim2023devformer,title={DevFormer: a symmetric transformer for context-aware device placement},author={Kim, Haeyeon and Kim, Minsu and Berto, Federico and Kim, Joungho and Park, Jinkyoo},booktitle={International Conference on Machine Learning},pages={16541--16566},year={2023},journal={International Conference on Machine Learning},organization={PMLR},}
2022
NeurIPS
Transform Once: Efficient Operator Learning in Frequency Domain
Michael Poli*, Stefano Massaroli*, Federico Berto*, and 4 more authors
Advances in Neural Information Processing Systems, 2022
@article{poli2022transform,title={Transform Once: Efficient Operator Learning in Frequency Domain},author={Poli, Michael and Massaroli, Stefano and Berto, Federico and Park, Jinkyoo and Dao, Tri and Re, Christopher and Ermon, Stefano},journal={Advances in Neural Information Processing Systems},volume={35},year={2022},}
Meta-SysId: A Meta-Learning Approach for Simultaneous Identification and Prediction
Junyoung Park, Federico Berto, Arec Jamgochian, and 2 more authors
@article{park2022metasysid,doi={10.48550/ARXIV.2206.00694},url={https://arxiv.org/abs/2206.00694},author={Park, Junyoung and Berto, Federico and Jamgochian, Arec and Kochenderfer, Mykel J. and Park, Jinkyoo},keywords={Machine Learning (cs.LG), FOS: Computer and information sciences, FOS: Computer and information sciences},title={Meta-SysId: A Meta-Learning Approach for Simultaneous Identification and Prediction},journal={arXiv preprint arXiv:2206.00694},year={2022},copyright={arXiv.org perpetual, non-exclusive license}}
ICLR
Neural Solvers for Fast and Accurate Numerical Optimal Control
Federico Berto, Stefano Massaroli, Michael Poli, and 1 more author
International Conference on Learning Representations, 2022
Previous version at NeurIPS 2021 DLDE WS: Spotlight Presentation
@article{berto2022neural,title={Neural Solvers for Fast and Accurate Numerical Optimal Control},author={Berto, Federico and Massaroli, Stefano and Poli, Michael and Park, Jinkyoo},journal={International Conference on Learning Representations},year={2022},url={https://openreview.net/forum?id=m8bypnj7Yl5},}