These usually underwent some form of review
David F. Gleich and Paul G. Constantine. Ranking web pages. In Nicholas J. Higham, Mark R. Dennis, Paul Glendinning, Paul A. Martin, Fadil Santosa, and Jared Tanner, editors, The Princeton Companion to Applied Mathematics, pages 755–757. Princeton University Press, Princeton, NJ, USA, 2015. [ bib ]
Review of: Numerical algorithms for personalized search in self-organizing information networks by Sep Kamvar, Princeton Univ. Press, 2010, 160pp., ISBN13: 978-0-691-14503-7. Journal paper. David F. Gleich. Linear Algebra and its Applications, 435(4):908 – 909, 2011. [ bib | DOI | local ]