Using Active Learning to Improve Distantly Supervised Entity Typing in Multi-source Knowledge Bases. - Bo Xu 023; Xiangsan Zhao; Qingxuan Kong (NLPCC (1), 2020)

Reinforced Natural Language Inference for Distantly Supervised Relation Classification. - Bo Xu 023; Xiangsan Zhao; Chaofeng Sha; Minjun Zhang; Hui Song (PAKDD (3), 2021)

Improving Sentence-Level Relation Classification via Machine Reading Comprehension and Reinforcement Learning. - Bo Xu 023; Zhengqi Zhang; Xiangsan Zhao; Hui Song; Ming Du (PRICAI (2), 2021)