@Article{idib,
  author =       {Daniel Gruhl
                  and R. V. Guha
                  and David Liben-Nowell
                  and Andrew Tomkins},
  title =        {Information Diffusion through Blogspace},
  journal =      {SIGKDD Explorations},
  year =         2004,
  volume =       6,
  number =       2,
  pages =        {43--52},
  month =        dec,
}