@inproceedings{ijcai2021p269, title = {Reasoning about Beliefs and Meta-Beliefs by Regression in an Expressive Probabilistic Action Logic}, author = {Liu, Daxin and Lakemeyer, Gerhard}, booktitle = {Proceedings of the Thirtieth International Joint Conference on Artificial Intelligence, {IJCAI-21}}, publisher = {International Joint Conferences on Artificial Intelligence Organization}, editor = {Zhi-Hua Zhou}, pages = {1951--1958}, year = {2021}, month = {8}, note = {Main Track}, doi = {10.24963/ijcai.2021/269}, url = {https://doi.org/10.24963/ijcai.2021/269}, }