OPBench: A Graph Benchmark to Combat the Opioid Crisis

Recommended citation: Tianyi Ma, Yiyang Li, Yiyue Qian, Zheyuan Zhang, Zehong Wang, Chuxu Zhang, Yanfang Ye. OPBench: A Graph Benchmark to Combat the Opioid Crisis. KDD, 2026. https://arxiv.org/pdf/2602.14602