| Duolingo: learn a language for free while helping to translate the web | 13 | 0.70 | 2013 |
| Collective Intelligence 2012: Proceedings | 1 | 0.34 | 2012 |
| Three human computation projects | 2 | 0.42 | 2011 |
| Book announcement: Human Computation | 0 | 0.34 | 2011 |
| Word sense disambiguation via human computation | 15 | 0.90 | 2010 |
| Proceedings of the ACM SIGKDD Workshop on Human Computation, Paris, France, June 28, 2009 | 19 | 10.34 | 2009 |
| Matchin: eliciting user preferences with an online game | 52 | 4.67 | 2009 |
| Search war: a game for improving web search | 2 | 0.38 | 2009 |
| Provably Secure Steganography | 19 | 1.71 | 2009 |
| Input-agreement: a new mechanism for collecting data using human computation games | 129 | 9.60 | 2009 |
| Human computation | 12 | 0.79 | 2009 |
| Designing games with a purpose | 350 | 26.62 | 2008 |
| AI's 10 to Watch. | 0 | 0.34 | 2008 |
| Breaking Audio CAPTCHAs | 12 | 0.86 | 2008 |
| TagATune: A Game for Music and Sound Annotation. | 82 | 5.15 | 2007 |
| Improving Image Search with PHETCH. | 16 | 2.50 | 2007 |
| Human computation | 19 | 3.48 | 2007 |
| Why do tagging systems work? | 51 | 2.62 | 2006 |
| Verbosity: a game for collecting common-sense facts | 149 | 15.93 | 2006 |
| Selectively Traceable Anonymity | 5 | 0.48 | 2006 |
| Games with a Purpose | 180 | 29.67 | 2006 |
| Peekaboom: a game for locating objects in images | 211 | 23.15 | 2006 |
| Improving accessibility of the web with a computer game | 76 | 9.09 | 2006 |
| Covert two-party computation | 7 | 0.68 | 2005 |
| ESP: Labeling Images with a Computer Game. | 5 | 0.54 | 2005 |
| Telling humans and computers apart automatically | 320 | 23.51 | 2004 |
| Labeling images with a computer game | 1061 | 125.91 | 2004 |
| CAPTCHA: using hard AI problems for security | 511 | 33.97 | 2003 |
| Public-Key Steganography | 26 | 1.18 | 2003 |
| k-anonymous message transmission | 51 | 1.94 | 2003 |
| Provably Secure Steganography | 65 | 8.84 | 2002 |
