Identifying technology evolution pathways using topic variation detection based on patent data: A case study of 3D printing

Autor:	Miao, Zhongzhen, Du, Junfei, Dong, Fang, Liu, Yufei *, Wang, Xiaochuan
Zdroj:	In Futures April 2020 118
Databáze:	ScienceDirect
Externí odkaz:	Zobrazit plný text záznamu Full Text from ScienceDirect