¡Ö¡×
Luis von Ahn, Manuel Blum, John Langford
Communications of the ACM, Vol. 47, No. 2, pp. 56-60, February 2004
¡Ö¡×
¿Í´Ö¤Ë¤ÏȽÃǤǤ­¤ë¤¬·×»»µ¡¤Ë¤ÏȽÃǤǤ­¤Ê¤¤¤â¤Î¤ò»È¤Ã¤Æ ǧ¾Ú¤Ê¤É¤ò¹Ô¤Ê¤¦µ»½Ñ¡£ CAPTCHA = Completely Automated Public Turing Test To Tell Computers and Humans Apart
PIX¤È¤¤¤¦¥·¥¹¥Æ¥à¤Ï²èÁü¤Ê¤¾¤Ê¤¾Ç§¾Ú¤Ë»÷¤Æ¤¤¤ë¡£
http://openanonymity.sourceforge.net/HTML/scripts/ez-gimpy/ez-gimpy ¤È¤¤¤¦¥×¥í¥°¥é¥à¤¬¸ø³«¤µ¤ì¤Æ¤¤¤ë¤¬¡¢ GIMP¤Ç·×»»¤·¤Æ¤¤¤ë¤Î¤«¤â¤·¤ì¤Ê¤¤¡£
¡Ö¡×
¿Í´Ö¤«¤É¤¦¤«¤Îǧ¾Ú°Ê³°¤Ë¡¢ ¤Ê¤É¤¤¤í¤ó¤Ê¤Ê¤¾¤Ê¤¾Ç§¾Ú¤¬¹Í¤¨¤é¤ì¤ë¡£ ÌäÂê¤òºî¤ë¤Î¤¬´Êñ¤Ç¤¢¤ë¤Ë¤â¤«¤«¤ï¤é¤º¡¢¤«¤Ê¤ê³Î¼Â¤Ë¸«Ê¬¤±¤ë¤³¤È¤¬ ¤Ç¤­¤ë¥·¥¹¥Æ¥à¤¬ÌÌÇò¤¤¤À¤í¤¦¡£ (2004/4/15 Áý°æ)

¥»¥ï¥³¥ë¡£¡£Wiki¡¦¥ì¡£¥·¡¦¥¯¥³ü¥硣¡£¥¨¥ê¥Þ¡Ö¡¦¥©¡¦¥Ë¡¦¥¨¡¦ ǧ¾Ú

¡Ö¡×
Rachna Dhamija, Adrian Perrig
9th Usenix Security Symposium, August 2000
¡Ö¡×
¥³ü¾¥ä¡¦¥ì¡£¥·¡¦¥¯
¡Ö¡×
¥È󼨤µ¤ì¤ë²èÁü¤ÎÃ椫¤é¼«Ê¬¤¬ÅÐÏ¿¤·¤¿²èÁü¤òÁª¤Ö¤³¤È¤Ë¤è¤Ç§¾Ú¤ò¹Ô¤Ê¤¦¡£
²èÁü¤Ê¤¾¤Ê¤¾Ç§¾Ú¤Î¤â¤È¥Í¥¿¡£

¾ÜºÙ¡¡Wiki¥Ú¡¼¥¸ºîÀ®¡¡´ØÏ¢¥«¥Æ¥´¥ê: ¡¡¥æ¡¼¥¶¥¤¥ó¥¿¥Õ¥§¡¼¥¹Á´ÈÌ¡¡Ç§¾Ú

¡Ö¡×
Áý°æ ½ÓÇ·
¡¢¥Ï¡¢¥»¡¢¥Ï¡¢¥»¡¦¥Î¡¦¡Ö
UNIX Magazine, Vol. 16, No. 8, pp. 185-189, August 2001

¥»¥ï¥³¥ë¡£¡£Wiki¡£¡£¥¨¥ê¥Þ¡Ö¡¦¥©¡¦¥Ë¡¦¥¨¡¦ ¡¡Ç§¾Ú

¡Ö¡×
¼¯Åç °ìµª
¾ðÊó½èÍý³Ø²ñ¥³¥ó¥Ô¥å¡¼¥¿¥»¥­¥å¥ê¥Æ¥£¸¦µæ²ñ¸¦µæÊó¹ð, Vol. 10, June 2000

¥»¥ï¥³¥ë¡£¡£Wiki¡¦¥ì¡£¥·¡¦¥¯¥³ü¥硣¡£¥¨¥ê¥Þ¡Ö¡¦¥©¡¦¥Ë¡¦¥¨¡¦ ǧ¾Ú

¡Ö¡×
¹ÓÀî Ë­, ÃÝ¿¹ ·ÉÍ´, ºûÀ¥ ´à
¾ðÊó½èÍý³Ø²ñ¥³¥ó¥Ô¥å¡¼¥¿¥»¥­¥å¥ê¥Æ¥£¸¦µæ²ñ¸¦µæÊó¹ð, Vol. 21, May 2003

¥»¥ï¥³¥ë¡£¡£Wiki¡¦¥ì¡£¥·¡¦¥¯¥³ü¥硣¡£¥¨¥ê¥Þ¡Ö¡¦¥©¡¦¥Ë¡¦¥¨¡¦ ǧ¾Ú

¡Ö¡×
¹âÅÄ Å¯»Ê, ¾®ÃÓ ±Ñ¼ù
¡¢¡Ö¡¢þ¦¥µ¥¦¥£¡£¥¡¥¤ðÃüÅÐÏ¿¤ÈÍøÍÑÄÌÃΤòÍѤ¤¤¿Àµ¸õÊäÁªÂòÊý¼°¤Ë¤è¤ë²èÁüǧ¾ÚÊý¼°¤Î¶¯²½Ë/b>
¾ðÊó½èÍý³Ø²ñÏÀʸ»ï , Vol. 44, No. 8, August 2003

¥»¥ï¥³¥ë¡£¡£Wiki¡¦¥ì¡£¥·¡¦¥¯¥³ü¥硣¡£¥¨¥ê¥Þ¡Ö¡¦¥©¡¦¥Ë¡¦¥¨¡¦ ǧ¾Ú