paper on cancer driver genes in RECOMB 2014
paper from RECOMB 2014 might be interesting to you, which uses
hitting time in random walk to identify cancer drivers.
http://link.springer.com/chapter/10.1007%2F978-3-319-05269-4_23
HIT.nDRIVE: Multi-Driver Gene Prioritization based on Hitting Time
Raunak Shrestha, Ermin Hodzic, Jake Yeung, Kendric Wang, Thomas
Sauerwald, Phuong Dao, Shawn Anderson, Himisha Beltran, Mark A. Rubin,
Colin Collins, Gholamreza Haffari and S. Cenk Sahinalp.