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CHI
2008
ACM
16 years 4 months ago
Love and authentication
Passwords are ubiquitous, and users and service providers alike rely on them for their security. However, good passwords may sometimes be hard to remember. For years, security pra...
Markus Jakobsson, Erik Stolterman, Susanne Wetzel,...
CHI
2008
ACM
16 years 4 months ago
Undercover: authentication usable in front of prying eyes
A number of recent scams and security attacks (phishing, spyware, fake terminals, ...) hinge on a crook's ability to observe user behavior. In this paper, we describe the des...
Hirokazu Sasamoto, Nicolas Christin, Eiji Hayashi
CHI
2008
ACM
16 years 4 months ago
Letterscroll: text entry using a wheel for visually impaired users
Four text entry techniques for visually impaired users are presented. LetterScroll uses a mouse wheel to maneuver a cursor across a sequence of characters, and a button for charac...
Hussain Tinwala, I. Scott MacKenzie
CHI
2007
ACM
16 years 4 months ago
Modeling human performance of pen stroke gestures
This paper presents a quantitative human performance model of making single-stroke pen gestures within certain error constraints in terms of production time. Computed from the pro...
Xiang Cao, Shumin Zhai
CHI
2007
ACM
16 years 4 months ago
Vio: a mixed-initiative approach to learning and automating procedural update tasks
Today many workers spend too much of their time translating their co-workers' requests into structures that information systems can understand. This paper presents the novel ...
John Zimmerman, Anthony Tomasic, Isaac Simmons, Ia...