Open Access

ARTICLE

A Knowledge-Enriched and Span-Based Network for Joint Entity and Relation Extraction

Kun Ding¹, Shanshan Liu¹, Yuhao Zhang², Hui Zhang¹, Xiaoxiong Zhang^1,*, Tongtong Wu^2,3, Xiaolei Zhou¹

1 The Sixty-Third Research Institute, National University of Defense Technology, Nanjing, 210007, China
2 School of Computer Science and Technology, Southeast University, Nanjing, 211189, China
3 Faculty of Information Technology, Monash University, Melbourne, 3800, Australia

* Corresponding Author: Xiaoxiong Zhang. Email: