@incollection{Zie08,

   author     = "Cai-Nicolas Ziegler",
   title      = "On Propagating Interpersonal Trust in Social Networks",
   editor     = "Jennifer Golbeck",
   booktitle  = "Computing with Social Trust",
   series     = "Human-Computer Interaction Series",
   edition    = "1st",
   publisher  = "Springer Verlag",
   address    = "Heidelberg, Germany",
   year       = "2008",
   month      = "December"
}