Identifying dynamic knowledge flow patterns of business method patents with a hidden Markov model. - Yoonjung An; Mintak Han; Yongtae Park (Scientometrics, 2017)

Anticipating technology-driven industry convergence: evidence from large-scale patent analysis. - Ohjin Kwon; Yoonjung An; Myeongjung Kim; Changyong Lee (Technol. Anal. Strateg. Manag., 2020)