Kuan, Chung-HueiChung-HueiKuanHuang, Mu-HsuanMu-HsuanHuangDAR-ZEN CHEN2021-11-042021-11-042013http://www.sciencedirect.com/science/article/pii/S1751157713000102https://scholars.lib.ntu.edu.tw/handle/123456789/586290Capturing and Tracking Performance of Patent Portfolio Using h-Complement Area Centroidjournal article