@InProceedings{guha-2004a,
  author         = {R. Guha and Ravi Kumar and Prabhakar Raghaven and Andrew Tomkins},
  title          = {Propagation of Trust and Distrust},
  year           = {2004},
  publisher      = {ACM},
  booktitle      = {Proceedings of WWW 04},
  month          = {May},
  pages          = {403--412},
  read-status    = {read},
  organization   = {ACM},
  key            = {guha-2004a}
}