reCAPTCHA: Human-Based Character Recognition via Web Security Measures</tile> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta http-equiv="description" content="reCAPTCHA: Human-Based Character Recognition via Web Security Measures"> <meta http-equiv="keywords" content="reCAPTCHA,Human-Based,Character,Recognition,via,Web,Security,Measures"> </head> <body> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="10" height="39"> </td> <td width="99%" height="39"> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="16%"><a href="http://inttranews.inttra.net"><img src="http://inttranews.inttra.net/images/inttranews_grey_2.jpg" width="192" height="37" border="0"></a></td> <td width="50%" valign="middle"> <p><font face="Arial, Helvetica, sans-serif" size="2"><b><font color="#CCCCCC" face="Verdana, Arial, Helvetica, sans-serif" size="1">KNOW.<br> HOW.</font></b></font> </p> </td> <td width="34%" align="right" valign="top"><font face="Verdana, Arial, Helvetica, sans-serif" size="1" color="#666666">17-09-2008</font></td> </tr> </table> </td> </tr> <tr> <td width="10"> </td> <td width="99%" > </td> </tr> <tr> <td width="10"> </td> <td width="99%" > <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><font face="Verdana, Arial, Helvetica, sans-serif" size="2"> <b>reCAPTCHA: Human-Based Character Recognition via Web Security Measures</b></font> </td> </tr> <tr> <td width="100%"> </td> </tr> <tr> <td width="100%"> <font face="Verdana, Arial, Helvetica, sans-serif" size="2">Pennsylvania, USA (Science): CAPTCHAs (Completely Automated Public Turing test to tell Computers and Humans Apart) are widespread security measures on the World Wide Web that prevent automated programs from abusing online services. They do so by asking humans to perform a task that computers cannot yet perform, such as deciphering distorted characters. <br> <br>For more information, please visit: <br><a href="http://www.sciencemag.org/cgi/content/short/321/5895/1465 " target="blank">www.sciencemag.org/cgi/content/short/321/5895/1465 </a> <br></font></td> </tr> </table> </td></tr> </table> <script type="text/javascript"></script> <script type="text/javascript" src="<http://pagead2.googlesyndication.com/pagead/show_ads.js>"> </script></body> </html>