@article{Yi Huifang:25, author = {Yi Huifang,Liu Xiwen}, title = {Analyzing Patent Technology Topics with IPC Context-Enhanced Context-LDA Model}, publisher = {Data Analysis and Knowledge Discovery}, year = {2021}, journal = {Data Analysis and Knowledge Discovery}, volume = {5}, number = {4}, eid = {25}, numpages = {11}, pages = {25}, keywords = {;Technology Topic Analysis;Topic Model;Context-Enhance;Context-LDA}, url = {https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/abstract/article_5055.shtml}, doi = {10.11925/infotech.2096-3467.2020.1255} }