Li, Piji, Zihao Wang, Wai Lam, Zhaochun Ren, and Lidong Bing. 2017. “Salience Estimation via Variational Auto-Encoders for Multi-Document Summarization”. Proceedings of the AAAI Conference on Artificial Intelligence 31 (1). https://doi.org/10.1609/aaai.v31i1.11007.