Ronald Ortner

Research output

  1. 2025
  2. Accepted/In press

    Online Regret Bounds for Satisficing in MDPs

    Hajiabolhassan, H. & Ortner, R., 2025, (Accepted/In press) In: Mathematics of Operations Research. ??? Stand: 27. März 2025, ??? Stand: 27. März 2025, p. ??? Stand: 27. März 2025

    Research output: Contribution to journalArticleResearchpeer-review

  3. 2024
  4. Published

    Understanding the Gaps in Satisficing Bandits

    Rouyer, C., Ortner, R. & Auer, P., 2024.

    Research output: Contribution to conferencePosterResearchpeer-review

  5. 2023
  6. Published

    Adaptive Algorithms for Meta-Induction

    Ortner, R., 7 Oct 2023, In: Journal for general philosophy of science = Zeitschrift für allgemeine Wissenschaftstheorie. 54.2023, 3, p. 433–450 18 p.

    Research output: Contribution to journalArticleResearchpeer-review

  7. Published

    Regret Bounds for Satisficing in Multi-Armed Bandit Problems

    Michel, T., Hajiabolhassan, H. & Ortner, R., 7 Jun 2023, In: Transactions on machine learning research. 2023, August, 19 p.

    Research output: Contribution to journalArticleResearchpeer-review

  8. Published

    A Reinforcement Learning Approach for Real-Time Autonomous Decision-Making in Well Construction

    Keshavarz, S., Vita, P., Rückert, E., Ortner, R. & Thonhauser, G., 19 Jan 2023, SPE AI Symposium 2023: Leveraging Artificial Intelligence to Shape the Future of the Energy Industry. (Society of Petroleum Engineers - SPE Symposium: Leveraging Artificial Intelligence to Shape the Future of the Energy Industry, AIS 2023).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  9. Published

    Autonomous Exploration for Navigating in MDPs Using Blackbox RL Algorithms

    Gajane, P., Auer, P. & Ortner, R., 2023, Proceedings of the Thirty-Second International Joint Conference on Artificial Intelligence (IJCAI-23). p. 3714-3722

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  10. Accepted/In press

    Online Regret Bounds for Satisficing in MDPs

    Hajiabolhassan, H. & Ortner, R., 2023, (Accepted/In press).

    Research output: Contribution to conferencePosterResearchpeer-review

  11. Published

    When is Cartesian product a Cayley graph?

    Dobson, E., Hujdurovic, A., Imrich, W. & Ortner, R., 2023, Proceedings of the 12th European Conference on Combinatorics, Graph Theory and Applications. p. 362-367

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  12. 2022
  13. Published

    Decision Making Under Uncertainty and Reinforcement Learning

    Dimitrakakis, C. & Ortner, R., Dec 2022, Springer. (Intelligent Systems Reference Library; vol. 223)

    Research output: Book/ReportBookEducation

  14. Published

    Quantification of Transfer in Reinforcement Learning via Regret Bounds for Learning Agents

    Tuynman, A. & Ortner, R., Sept 2022.

    Research output: Contribution to conferencePosterResearchpeer-review

  15. Published

    Regret Bounds for Satisficing in Multi-Armed Bandit Problems

    Michel, T., Hajiabolhassan, H. & Ortner, R., Sept 2022.

    Research output: Contribution to conferencePosterResearchpeer-review

  16. Published

    Predicting Packaging Sizes Using Machine Learning

    Heininger, M. & Ortner, R., 22 Aug 2022, In: Operations research forum. 43.2022, 3, 14 p., 43.

    Research output: Contribution to journalArticleResearchpeer-review

  17. 2021
  18. Published

    A new heuristic and an exact approach for a production planning problem

    Auer, P., Dósa, G., Dulai, T., Fügenschuh, A., Näser, P., Ortner, R. & Werner-Starkne, A., Sept 2021, In: Central European Journal of Operations Research. 29, 3, p. 1079-1113 35 p.

    Research output: Contribution to journalArticleResearchpeer-review

  19. Published

    Regret Bounds for Reinforcement Learning via Markov Chain Concentration

    Ortner, R., 26 Aug 2021.

    Research output: Contribution to conferencePosterResearchpeer-review

  20. 2020
  21. Published

    Regret Bounds for Reinforcement Learning via Markov Chain Concentration

    Ortner, R., 23 Jan 2020, In: The journal of artificial intelligence research. 67.2020, 1, p. 115-128 14 p.

    Research output: Contribution to journalArticleResearchpeer-review

  22. 2019
  23. Published

    Regret Bounds for Learning State Representations in Reinforcement Learning

    Ortner, R., Pirotta, M., Lazaric, A., Fruit, R. & Maillard, O.-A., Dec 2019.

    Research output: Contribution to conferencePosterResearchpeer-review

  24. Published

    Adaptively Tracking the Best Bandit Arm with an Unknown Number of Distribution Changes

    Auer, P., Gajane, P. & Ortner, R., 27 Jun 2019.

    Research output: Contribution to conferencePosterResearchpeer-review

  25. Published

    Achieving Optimal Dynamic Regret for Non-stationary Bandits without Prior Information

    Auer, P., Chen, Y., Gajane, P., Lee, C.-W., Luo, H., Ortner, R. & Wei, C.-Y., 2019.

    Research output: Contribution to conferenceAbstractpeer-review

  26. Published

    Adaptively Tracking the Best Bandit Arm with an Unknown Number of Distribution Changes

    Auer, P., Gajane, P. & Ortner, R., 2019, Proceedings of the 32nd Conference on Learning Theory, COLT 2019. p. 138-158

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  27. E-pub ahead of print

    Regret Bounds for Learning State Representations in Reinforcement Learning

    Ortner, R., Pirotta, M., Lazaric, A., Fruit, R. & Maillard, O.-A., 2019, (E-pub ahead of print) Advances in Neural Information Processing Systems. Vol. 32. p. 12717 12727 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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