A Proposal to Prevent Click-Fraud Using Clickable CAPTCHAs.

Rodrigo Alves Costa Ruy J. G. B. de Queiroz Elmano Ramalho Cavalcanti

Published in: SERE (Companion) (2012)

Keyphrases

web search
search engine
user behavior
fraud detection
anomaly detection
vertical search
artificial intelligence
data mining techniques
information sharing
computer programs
search sessions
online banking