H Jang, T Roh, B Yoon - Journal of Korean Institute of Industrial …, 2017 - koreascience.kr
In a digital economy, users actively express their needs in many ways. Thus, many researchers analyze what users need and whether they are satisfied or not through opinion …
S Kim, S Lee, B Yoon - IEEE Access, 2022 - ieeexplore.ieee.org
In this era, research and development are becoming a continuous and accelerating process because technology changes rapidly with a short lifecycle. As a result, various …
Data on patent and scientific paper is considered as a useful information source for analyzing technological information and has been widely utilized. Technology big data is …
In a digital economy, users actively express their needs in many ways. Thus, many researchers analyze what users need and whether they are satisfied or not through opinion …