Telling humans and computers apart automatically

2004/02/01 by Luis von Ahn, Manuel Blum, John Langford · 5 citations
Computer Science · #Artificial intelligence #Biometric Identification and Security #Cognitive Computing and Networks #Computer science #Computer security #Human–computer interaction #Natural language processing #Programming language #User Authentication and Security Systems

paper · doi:10.1145/966389.966390

openalex publication_date 2004/02/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/17

Abstract

How lazy cryptographers do AI.

Cited by

• Human Computation
• Towards inclusive identity management
• Adversarial Attacks for Good: A Survey of Proactive Protection across the Visual Content Lifecycle
• Using Aesthetic Judgements to Distinguish between Humans and Computers
• Luis von Ahn [wikipedia]