• “What is the Augmented Social Network?” > http://asn.planetwork.net/
• “Reputation Mechanisms” an overview http://ccs.mit.edu/dell/reputation.html

• The complicated truth about China's social credit system > https://www.wired.co.uk/article/china-social-credit-system-explained

• http://www.seas.upenn.edu/~cse400/CSE401_2006/Margolis/paper.pdf
• http://www.gnupg.org/gph/en/manual.html#AEN554

• Trust_metric
• http://moloko.itc.it/trustmetricswiki/moin.cgi/FrontPage
• “TrustLet, a cooperative environment for the scientific research of trust metrics on social networks. This is the wiki, where we review and understand trust and its related issues.” http://www.trustlet.org/wiki
• http://www.trustlet.org/wiki/Trust_Metrics_Evaluation_project
• http://www.trustlet.org/wiki/AnalyzedTrustMetrics

• Advogato's Trust Metric (as of 2017-06-27 - now offline)
• http://www.levien.com/free/tmetric-HOWTO.html
• https://slashdot.org/moderation.shtml

• In the novel “Down and Out in the Magic Kingdom”, Whuffie is the reputation currency that forms the basis of the Bitchun Society. Life imitates art → http://bitchun.org/

• http://citeseer.ifi.unizh.ch/zacharia99collaborative.html
• http://www.ercim.org/publication/Ercim_News/enw63/buchegger.html
• http://citeseer.ifi.unizh.ch/blaze96decentralized.html
• Дмитрий Биленкин. “Ремонт электронов” > http://www.lib.ru/RUFANT/BILENKIN/70-11.txt

“Slope One is a family of algorithms used for Collaborative filtering introduced in Slope One Predictors for Online Rating-Based Collaborative Filtering by Daniel Lemire and Anna Maclachlan. Arguably, it is the simplest form of non-trivial item-based collaborative filtering. ” » http://en.wikipedia.org/wiki/Slope_One

“Attack resistant trust metrics by Raphael L. Levien Doctor of Philosophy in Computer Science University of California at Berkeley This dissertation characterizes the space of trust metrics, under both the scalar assumption where each assertion is evaluated independently, and the group assumption where a group of assertions are evaluated in tandem. We present a quantitative framework for evaluating the attack resistance of trust metrics, and give examples of trust metrics” http://citeseer.ist.psu.edu/levien02attack.html

“Distributed karma: an idea for fixing recommendation systems” > http://lkozma.net/idea.php?dea=16

“Against Well-designed Reputation Systems (An Argument for Community Patent)” by Clay Shirky > http://many.corante.com/archives/2007/01/29/against_welldesigned_reputation_systems_an_argument_for_community_patent.php