Technological evolution seen from the USPC reclassifications
Crossref DOI link: https://doi.org/10.1007/s11192-016-1851-3
Published Online: 2016-01-30
Published Print: 2016-05
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Wang, Chun-Chieh
Sung, Hui-Yun
Huang, Mu-Hsuan
Text and Data Mining valid from 2016-01-30