Publications

[SIGIR] Siqi Lai, Erli Meng, Fan Zhang, Chenliang Li, Bin Wang, Aixin Sun (2022). 'An attribute-driven mirror graph network for session-based recommendation', Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval
MGS Architecture
[SIGKDD] Siqi Lai, Weijia Zhang, Hao Liu (2023). 'A preference-aware meta-optimization framework for personalized vehicle energy consumption estimation', Proceedings of the 29th ACM SIGKDD Conference on Knowledge Discovery and Data Mining
SIGKDD 2023 Architecture
[SIGKDD] Siqi Lai, Zhao Xu, Weijia Zhang, Hao Liu, Hui Xiong (2025). 'LLMLight: Large Language Models as Traffic Signal Control Agents', Proceedings of the 31th ACM SIGKDD Conference on Knowledge Discovery and Data Mining | Gold Medal & Special Award at 50th International Exhibition of Inventions Geneva | Audience Appreciation Award of KDD'2025, ACM GitHub Stars
LLMLight Architecture
[ICLR 2026] Siqi Lai, Yansong Ning, Zirui Yuan, Zhixi Chen, Hao Liu (2025). 'USTBench: Benchmarking and Dissecting Spatiotemporal Reasoning of LLMs as Urban Agents', The Fourteenth International Conference on Learning Representations
USTBench Architecture
[Web Conference 2026] Yuping Zhou, Siqi Lai, Jindong Han, Hao Liu (2025). 'An LLM-Powered Cooperative Framework for Large-Scale Multi-Vehicle Navigation', The ACM Web Conference 2026
LLM-Powered Cooperative Framework
[ICLR 2026] Zirui Yuan, Siqi Lai, Hao Liu (2025). 'CoLLMLight: Cooperative Large Language Model Agents for Network-Wide Traffic Signal Control', The Fourteenth International Conference on Learning Representations
CoLLMLight Architecture
[ECML-PKDD] Fan Liu, Siqi Lai, Yansong Ning, Hao Liu (2025). 'Bkd-fedgnn: A benchmark for classification backdoor attacks on federated graph neural network', Joint European Conference on Machine Learning and Knowledge Discovery in Databases
Bkd-FedGNN Architecture