14 search results - page 1 / 3 » Making CAPTCHAs clickable |
WMCSA
2008
IEEE
14 years 5 months ago
2008
IEEE
We show how to convert regular keyboard-entry CAPTCHAs into clickable CAPTCHAs. The goal of this conversion is to simplify and speed-up the entry of the CAPTCHA solution, to minim...
SP
2010
IEEE
14 years 3 months ago
2010
IEEE
—Captchas are designed to be easy for humans but hard for machines. However, most recent research has focused only on making them hard for machines. In this paper, we present wha...
WWW
2010
ACM
14 years 6 months ago
2010
ACM
Today the major web search engines answer queries by showing ten result snippets, which need to be inspected by users for identifying relevant results. In this paper we investigat...
AAAI
2007
14 years 1 months ago
2007
Any Web user is a potential knowledge contributor, but it remains a challenge to make them devote their time contributing to some purpose. In order to align individual with social...
WWW
2009
ACM
14 years 12 months ago
2009
ACM
In online advertising, pervasive in commercial search engines, advertisers typically bid on few terms, and the scarcity of data makes ad matching difficult. Suggesting additional ...