On the Viability of CAPTCHAs for use in Telephony Systems: A Usability Field Study.

Niharika Sachdeva Nitesh Saxena Ponnurangam Kumaraguru

Published in: ISC (2013)

Keyphrases

real time
empirical studies
complex systems
learning algorithm
distributed systems
building blocks
experimental study
technological advances
database
information systems
expert systems
user experience
simulation study
user satisfaction
web design