Finding a length-constrained maximum-sum or maximum-density subtree and its application to logistics. - Hoong Chuin Lau; Trung Hieu Ngo; Bao Nguyen Nguyen (Discret. Optim., 2006)

A Combination of BERT and Transformer for Vietnamese Spelling Correction. - Trung Hieu Ngo; Ham Duong Tran; Tin Huynh; Kiem Hoang (ACIIDS (1), 2022)

A Combination of BERT and Transformer for Vietnamese Spelling Correction. - Trung Hieu Ngo; Duong Tran Ham; Tin Huynh; Kiem Hoang (CoRR, 2024)