Traceable Identity-based Threshold Signature Scheme with Multiple Signing Policies. - Shaonung Huang; Hsiu-Feng Lin; Jenshiuh Liu; Shihhsun Li (HPCNCS, 2007)

Identity-Based Threshold Proxy Signature from Bilinear Pairings. - Jenshiuh Liu; Shaonung Huang (Informatica, 2010)