  We introduce the generalized rumor spreading model and investigate some
properties of this model on different complex social networks. Despite pervious
rumor models that both the spreader-spreader ($SS$) and the spreader-stifler
($SR$) interactions have the same rate $\alpha$, we define $\alpha^{(1)}$ and
$\alpha^{(2)}$ for $SS$ and $SR$ interactions, respectively. The effect of
variation of $\alpha^{(1)}$ and $\alpha^{(2)}$ on the final density of stiflers
is investigated. Furthermore, the influence of the topological structure of the
network in rumor spreading is studied by analyzing the behavior of several
global parameters such as reliability and efficiency. Our results show that
while networks with homogeneous connectivity patterns reach a higher
reliability, scale-free topologies need a less time to reach a steady state
with respect the rumor.
