Deep Primal-Dual Reinforcement Learning: Accelerating Actor-Critic using Bellman Duality. - Woon Sang Cho; Mengdi Wang (CoRR, 2017)

A bird's-eye view on coherence, and a worm's-eye view on cohesion. - Woon Sang Cho; Pengchuan Zhang; Yizhe Zhang 002; Xiujun Li; Michel Galley; Mengdi Wang; Jianfeng Gao 001 (CoRR, 2018)

Generating a Common Question from Multiple Documents using Multi-source Encoder-Decoder Models. - Woon Sang Cho; Yizhe Zhang 002; Sudha Rao; Chris Brockett; Sungjin Lee (NGT@EMNLP-IJCNLP, 2019)

Unsupervised Common Question Generation from Multiple Documents using Reinforced Contrastive Coordinator. - Woon Sang Cho; Yizhe Zhang 002; Sudha Rao; Asli Celikyilmaz; Chenyan Xiong; Jianfeng Gao 001; Mengdi Wang; Bill Dolan (CoRR, 2019)

Contrastive Multi-document Question Generation. - Woon Sang Cho; Yizhe Zhang 002; Sudha Rao; Asli Celikyilmaz; Chenyan Xiong; Jianfeng Gao 001; Mengdi Wang; Bill Dolan (EACL, 2021)