CAPTCHA: Using Hard AI Problems For Security Luis von Ahn1 , Manuel Blum1 , Nicholas J. Hopper1 , and John Langford2 1 Computer Science Dept., Carnegie Mellon University, Pittsburgh PA 15213, USA

First Page		Document Content
Date: 2003-09-18 19:47:10 Computational neuroscience Human-based computation Complexity classes CAPTCHA Computer security Computer vision Internet bot Turing test Artificial general intelligence Luis von Ahn Artificial intelligence NP		CAPTCHA: Using Hard AI Problems For Security Luis von Ahn1 , Manuel Blum1 , Nicholas J. Hopper1 , and John Langford2 1 Computer Science Dept., Carnegie Mellon University, Pittsburgh PA 15213, USA Add to Reading List Source URL: hunch.net Download Document from Source Website File Size: 180,55 KB Share Document on Facebook

	Chapter 1 An Introduction to SA Sentiment Analysis (SA) refers to a broad field of study in Natural Language Processing (NLP) and Artificial Intelligence (AI). In general, Sentiment Analysis is the task of identifying th DocID: 1vjUA - View Document
	Journal of Artificial General IntelligenceSubmittedWhat Must a World Be That a Humanlike Intelligence May Develop In It? DocID: 1tgPr - View Document
	Risks of general artificial intelligence DocID: 1rCpC - View Document
	Microsoft Word - Genesereth-Proof.docx DocID: 1rosN - View Document
	1 FACE-GRAB: Face Recognition with General Region Assigned to Binary Operator Archana Sapkota1 , Brian Parks1 , Walter Scheirer1,2 , Terrance Boult1,2 1 DocID: 1rgKz - View Document