Bay-Yuan Hsu Chih-Ya Shen Xifeng Yan Network Intervention for Mental Disorders with Minimum Small Dense Subgroups. 2121-2136 2021 33 IEEE Trans. Knowl. Data Eng. 5 https://doi.org/10.1109/TKDE.2019.2949294 db/journals/tkde/tkde33.html#HsuSY21