Networks, Crowds, and Markets: Reasoning About a Highly Connected World
By David Easley and Jon Kleinberg
http://www.cs.cornell.edu/home/kleinber/networks-book/
networkx – High productivity software for complex networks
http://networkx.lanl.gov/
References, articles and thoughts on web trust, and trust in services
Wikitrust
Powder
POWDER Test Suite Note Published
http://www.w3.org/blog/SW/2009/09/14/powder_test_suite_note_published
Ponemon Institute
http://www.ponemon.org/index.php
Constraints on trust: spam, privacy, bad guys, provenance, accuracy, objectivity, risk, relevance, context, identity
What is Claims-Based Identity, and Why Should You Care?
http://claimsid.codeplex.com/