@inproceedings{xie-etal-2015-reducing, title = "Reducing infrequent-token perplexity via variational corpora", author = "Xie, Yusheng and Daga, Pranjal and Cheng, Yu and Zhang, Kunpeng and Agrawal, Ankit and Choudhary, Alok", editor = "Zong, Chengqing and Strube, Michael", booktitle = "Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 2: Short Papers)", month = jul, year = "2015", address = "Beijing, China", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/P15-2101/", doi = "10.3115/v1/P15-2101", pages = "609--615" }