@article{Li Ming:106, author = {Li Ming, Li Ying, Zhou Qing, Wang Jun}, title = {Analyzing Knowledge Demand and Supply of Community Question Answering with TF-PIDF}, publisher = {Data Analysis and Knowledge Discovery}, year = {2021}, journal = {Data Analysis and Knowledge Discovery}, volume = {5}, number = {2}, eid = {106}, numpages = {9}, pages = {106}, keywords = {;Community Questions and Answers;Knowledge Demand;Knowledge Supply;Knowledge Management}, url = {https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/abstract/article_5020.shtml}, doi = {10.11925/infotech.2096-3467.2020.0395} }