Osman Yağan

Osman Yağan Research Professor Department of Electrical and Computer Engineering & CyLab & IDeaS & ICSD Software and Societal Systems Department, School of Computer Science (Affiliate Faculty) Carnegie Mellon University email: oyagan@ece.cmu.edu office: HH A302 phone: 412-268-3976 web: http://www.ece.cmu.edu/~oyagan

Recent Highlights

• O. İrsoy, L. Akoğlu, O. Yağan, TANGCO: Learning Topology-Aware Capacity Allocation for Overload-driven Cascading Failures, submitted July 2026.

• I. Juneja, C. Joe-Wong, and O. Yağan, Cost-Ordered Feasibility for Multi-Armed Bandits with Cost Subsidy, submitted, April 2026.

• E. C. Elumar, C. Tekin and O. Yağan, Cost-aware LLM-Based Online Dataset Annotation, Neural Information Processing Systems (NeurIPS 2025), Dec 2025. Selected as a Spotlight Paper (13% of accepted papers).

• I. Juneja, C. Joe-Wong, and O. Yağan, Pairwise Elimination with Instance-Dependent Guarantees for Bandits with Cost Subsidy, The Thirteenth International Conference on Learning Representations (ICLR 2025), April 2025.

• A. Nayak, T. Yang, O. Yağan, G. Joshi, Y. Chi, Achieving Logarithmic Regret in KL-Regularized Zero-Sum Markov Games, International Conference on Machine Learning (ICML 2026), July 2026.

Research Interests

• Machine Learning and Data Science

  • Multi-armed Bandit Algorithms

  • Security and Resilience in Decentralized Machine Learning

  • Reinforcement Learning

• Cyber-Physical Systems, Internet of Things, and Ad-hoc Networks

  • Robustness and optimal design of interdependent cyber-physical systems

  • Applications of random graphs and stochastic geometry

  • Cybersecurity

• Network Science

  • Contagion processes (e.g., information/influence propagation, epidemic spread) in multi-layer and multiplex networks

  • Social network modeling

  • Detection and mitigation of spread of misinformation