🇲🇴 Originally from Macau, I am a first-year PhD student in Computer Science at Singapore Management University, where I am supervised by Prof. Yang Deng.
Prior to this, I received my master’s degree in Computer Science from the University of Macau, under the supervision of Prof. Derek Wong.
Publications
Do LLMs Really Know What They Don’t Know? Internal States Mainly Reflect Knowledge Recall Rather Than Truthfulness
Chi Seng Cheang, Hou Pong Chan, Wenxuan Zhang, Yang Deng
ACL 2026 Findings
pdf / dataset
Exposing the Cracks: Vulnerabilities of Retrieval-Augmented LLM-based Machine Translation
Yanming Sun, Runzhe Zhan, Chi Seng Cheang, Han Wu, Xuebo Liu, Yuyao Niu, Fengying Ye, Kaixin Lan, Lidia S. Chao, Derek F. Wong
AAAI 2026
pdf / code
Can LMs Generalize to Future Data? An Empirical Analysis on Text Summarization
Chi Seng Cheang, Hou Pong Chan, Derek F. Wong, Xuebo Liu, Zhaocong Li, Yanming Sun, Shudong Liu, Lidia S. Chao
EMNLP 2023
pdf / dataset
