Are significant inventions more diversified?
Crossref DOI link: https://doi.org/10.1007/s11192-014-1303-x
Published Online: 2014-04-20
Published Print: 2014-08
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Luan, Chunjuan
Hou, Haiyan
Wang, Yongtao
Wang, Xianwen
Text and Data Mining valid from 2014-04-20