@inproceedings{chen-etal-2020-improving, title = "Improving Commonsense Question Answering by Graph-based Iterative Retrieval over Multiple Knowledge Sources", author = "Chen, Qianglong and Ji, Feng and Chen, Haiqing and Zhang, Yin", editor = "Scott, Donia and Bel, Nuria and Zong, Chengqing", booktitle = "Proceedings of the 28th International Conference on Computational Linguistics", month = dec, year = "2020", address = "Barcelona, Spain (Online)", publisher = "International Committee on Computational Linguistics", url = "https://preview.aclanthology.org/add-emnlp-2024-awards/2020.coling-main.232/", doi = "10.18653/v1/2020.coling-main.232", pages = "2583--2594" }