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Incentive Systems For Knowledge Sharing

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This short talk at the FBCamp 2014 in Hamburg gives examples of existing and working incentive systems for knowledge sharing on the internet. We take a look at Wikipedia and Stackoverflow. I analyze them with results from the research field "evolution of cooperation". Advantages and disadvantages of existing systems lead to ideas for improvements.

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Incentive Systems For Knowledge Sharing

  1. 1. Incentive Systems for Knowledge Sharing on the Web Ansgar Grüne, Bonn FBCamp Hamburg, March, 15, 2014
  2. 2. Wikipedia (2001)
  3. 3. Wikipedia (2001) ● 31 million articles ● 2.6 billion words ● 287 languages ● very good content ● everything done by volunteers ➔HOW IS THAT POSSIBLE?
  4. 4. Evolution of Cooperation 1984 2011
  5. 5. Evolution of Cooperation Five Pillars of Cooperation (applicable to Wikipedia?) 1. direct reciprocity (X ?) 2. indirect reciprocity (→reputation) 3. group selection (→group feelings) 4. kin selection (X) 5. local / network effects (X) (Nowak, Science, 2006)
  6. 6. Wikipedia: User Access Levels EDIT CREATE UPLOAD, EDIT PROTECTED DELETE, BLOCK PROMOTE USERS GLOBAL RIGHTS unregistered User √ new User √ √ autoconfirmed User (> 4 days, >10 edits) √ √ √ Administrator (request) √ √ √ √ Bureaucrat (request) √ √ √ √ √ Steward (election) √ √ √ √ √ √
  7. 7. Wikipedia: Reputation not enough? Quelle: https://en.wikipedia.org/wiki/File:Active_administrators_vs_active_editors.png
  8. 8. ● founded 2008 ● question & answer for programming ● 1.9 millionen registered users ● 5.5 million questions ● tagging, up-/down voting, reputation score
  9. 9. Stackoverflow: Some Privileges Score Privilege ≥ 1 create post ≥ 15 vote up ≥ 125 vote down ≥ 2000 edit all posts w/o review ≥ 10000 delete questions ≥ 20000 all privileges
  10. 10. Stackoverflow: Some Badges Bronze Silver Gold Reason Nice Question Good Question Great Question Votes Popular Question Notable Question Famous Question Views Nice Answer Good Answer Great Answer Votes Enthusiast Fanatic Consecutive Daily Visits Mortarboard Epic Legendary ≥ 200 Daily Reputation
  11. 11. Stackoverflow - − wrong incentives − Not democratic enough (destroys group feeling) − not open enough − not pedagogic − un-answered questions source for criticism: http://michael.richter.name/blogs/why-i-no-longer-contribute-to-stackoverflow/ + + good incentives + lists of top users for each tag http://stackoverflow.com/tags/facebook/topusers + democratic + open
  12. 12. Others − Facebook's like button − Twitter retweet − Facebook Questions − Quora − Yahoo!Answers − answers.com − gutefrage.net − werweisswas.de ...
  13. 13. Ideas […] (Slide removed. Please, contact me if you are interested in exchanging ideas!)
  14. 14. Thank you for your attention! More ideas, remarks, hints, opinions, questions? Xing, LinkedIn: Ansgar Grüne

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