Identifying Technical Opportunities by Semantic Analysis of Expired Patents and Multi-Dimensional Tech-Innovation Map
Wang Jinfeng, Wu Xuan, Zhang Dingtang, Feng Lijie, Zhang Ke
Data Analysis and Knowledge Discovery . 2023, (11): 88 -100 .  DOI: 10.11925/infotech.2096-3467.2023.0119

Copyright © Data Analysis and Knowledge Discovery, All Rights Reserved.
Tel: (010)82626611-6626，82624938　
E-mail：jishu@mail.las.ac.cn
Total visitors:   Visitors of today:   Now online:
Powered by Beijing Magtech Co. Ltd.