Modelling of technology lifetime based on patent citation data and segmentation. - Sun-Hi Yoo; Byunghoon Kim; Myong Kee Jeong (J. Oper. Res. Soc., 2015)

A modified gamma/Gompertz/NBD model for estimating technology lifetime. - Myoungjae Choi; Sun-Hi Yoo; Jongtaik Lee; Jeongsub Choi; Byunghoon Kim (Scientometrics, 2022)