Rolf A. N. Starre Sammie Katt Mustafa Mert Çelikok Marco Loog Frans A. Oliehoek Abstraction for Bayesian Reinforcement Learning in Factored POMDPs. 2025 2025 Trans. Mach. Learn. Res. https://openreview.net/forum?id=HHgdT6m9L9 db/journals/tmlr/tmlr2025.html#StarreKCLO25 streams/journals/tmlr