Improving the Robustness of Question Answering Systems to Question Paraphrasing. - Wee Chung Gan; Hwee Tou Ng (ACL (1), 2019)

Improved Word Sense Disambiguation Using Pre-Trained Contextualized Word Representations. - Christian Hadiwinoto; Hwee Tou Ng; Wee Chung Gan (EMNLP/IJCNLP (1), 2019)