Instruct: Given the title of a scientific paper, retrieve paper titles that are cited by the given paper.
Query: Text based graphical password system to obscure shoulder surfing
Graphical passwords: a survey
A Stroke-Based Textual Password Authentication Scheme
A cued-recall and emotion classification graphical password authentication scheme
Pictures at the ATM: exploring the usability of multiple graphical passwords
A new shoulder-surfing resistant password for mobile environments
Improving user authentication on mobile devices: a touchscreen graphical password
Is a picture really worth a thousand words? Exploring the feasibility of graphical authentication systems
PassMap: a map based graphical-password authentication system
a review on image based graphical user authentication .
Complexity Metrics and User Strength Perceptions of the Pattern-Lock Graphical Authentication Method
Enhanced password processing scheme based on visual cryptography and OCR
Visualizing Keyboard Pattern Passwords
Numerical password via graphical input — An authentication system on embedded platform
A study on password input method using authentication pattern and puzzle
Now you see me, now you don't: protecting smartphone authentication from shoulder surfers
Shadow Attacks Based on Password Reuses: A Quantitative Empirical Analysis
A Pattern for Secure Graphical User Interface Systems
A Hybrid Password Authentication Scheme Based on Shape and Text
Compromising Emanations: Eavesdropping Risks of Computer Displays
On the security of text-based 3D CAPTCHAs
newer understanding of specific anatomic targets in the aging face as applied to injectables : aging changes in the craniofacial skeleton and facial ligaments .
A cross-cultural test of the Maluma-Takete phenomenon.
Biometric Identification
Biological Inspiration: From Carangiform Fish to Multi-Joint Robotic Fish
Child Abuse Training and Knowledge: A National Survey of Emergency Medicine, Family Medicine, and Pediatric Residents and Program Directors