Open AccessResearch on Technology Trend Analysis in the Field of Cloud-based Railway Operation/Control through Patent Data Analysis
Author(s) -
SeongJin Kim,
Kang-Mi Lee,
Sung Soo Park
Publication year - 2021
Publication title -
han'gug sanhag gi'sul haghoe nonmunji/han-guk sanhak gisul hakoe nonmunji
Language(s) - English
Resource type - Journals
eISSN - 2288-4688
pISSN - 1975-4701
DOI - 10.5762/kais.2021.22.7.511
Subject(s) - cloud computing , patent analysis , field (mathematics) , engineering , computer science , data science , mathematics , operating system , pure mathematics