Citation: Metaxas, P., & Mustafaraj, E. (2012). Trails of Trustworthiness in Real-Time Streams. Presented at the Computer Support for Cooperative Work 2012, Seattle, WA, USA: Association for Computing Machinery. Retrieved from http://cs.wellesley.edu/~pmetaxas/TrustTrails.pdf
Summary: Authors outline a method of helping users discern spam and propaganda from information they want and expect.