@article{Zhang Xian:10, author = {Zhang Xian,Yan Xiaoyan,Ye Jianzhong,Wang luyao}, title = {A Study of the Internet Resource Types of Patent Information}, publisher = {Data Analysis and Knowledge Discovery}, year = {2005}, journal = {Data Analysis and Knowledge Discovery}, volume = {21}, number = {10}, eid = {10}, numpages = {4}, pages = {10}, keywords = {

Patent information portal;Subject information portal;Patent information resource;Resource types;CSDL

}, url = {https://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/abstract/article_1119.shtml}, doi = {10.11925/infotech.1003-3513.2005.10.03} }