@article{Jiawei ZHANG:38, author = {Jiawei ZHANG,Hua QI}, title = {Data Mining and Spatial Analysis of Social Media Text Based on the BERT-CNN Model to Achieve Situational Awareness: a Case Study of COVID-19}, publisher = {Journal of Geodesy and Geoinformation Science}, year = {2022}, journal = {Journal of Geodesy and Geoinformation Science}, volume = {5}, number = {2}, eid = {38}, numpages = {10}, pages = {38}, keywords = {;COVID-19;Sina Weibo;BERT-CNN;topic classification;situational awareness}, url = {http://jggs.chinasmp.com/EN/abstract/article_148.shtml}, doi = {10.11947/j.JGGS.2022.0205} }