Yong Xu, Xizhi Lv, Hengna Wang, Xiaoyu Li, Yunke Peng. “Research Hotspots and Trends of Knowledge Graph Question Answering System----Visual Analysis Based on CiteSpace”. Forest Chemicals Review (1): 967-988. Accessed April 29, 2024. http://www.forestchemicalsreview.com/index.php/JFCR/article/view/412.