Vulnerability knowledge extraction method based on joint extraction model. - Zhen Liu 047; Xiaoqiang Di; Wei Song; Weiwu Ren (CBD, 2021)

Predicting Students' Academic Performance Based on Improved PSO-Xgboost: A Campus Behavior Perspective. - Zhongyu Liang; Xiaoqiang Di; Zhen Liu 047; Xu Liu 010; Xingxu Zhang; Zhi Yu (ICA3PP (1), 2021)

A Sentence-Level Joint Relation Classification Model Based on Reinforcement Learning. - Zhen Liu 047; Xiaoqiang Di; Wei Song; Weiwu Ren (Comput. Intell. Neurosci., 2021)