Title	A Watermarking Technique for User Authentication Based on a Combination of Face Image and Device Identity in a Mobile Ecosystem
Author	Fatimah Al-Jarba and Mohammed Al-Khathami
Citation	Vol. 21  No. 9  pp. 303-316
Keywords	Watermark; User authentication; Biometrics; Digital content; IMEI.

Title	Review of Biometrics-Based Authentication Techniques in Mobile Ecosystem
Author	Fatimah Al-Jarba and Mohammed Al-Khathami
Citation	Vol. 21  No. 11  pp. 321-327
Keywords	Mobile phone; User authentication; Biometrics; Face recognition