Random surfer with back step.

@inproceedings{sydow-2004-random, author = {Marcin Sydow}, editor = {Stuart I. Feldman and Mike Uretsky and Marc Najork and Craig E. Wills}, title = {{Random surfer with back step}}, booktitle = {{Proceedings of the 13th international conference on World Wide Web - Alternate Track Papers & Posters, WWW 2004, New York, NY, USA, May 17-20, 2004}}, pages = {352--353}, publisher = {ACM}, year = {2004}, url = {https://doi.org/10.1145/1013367.1013471}, doi = {https://doi.org/10.1145/1013367.1013471} }