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+Graphs have been extensively studied for their propagative abilities:
+connectivity, routing, gossip algorithms, etc. A diffusion process taking
+place over a graph provides valuable information about the presence and weights
+of its edges. \emph{Cascades} are a specific type of diffusion processes in
+which a particular infectious behavior spreads over the nodes of the graph. By
+only observing the ``infection times'' of the nodes in the graph, one might
+hope to recover the underlying graph and the parameters of the cascade model.
+This problem is known in the literature as the \emph{Network Inference problem}.
+
\begin{itemize}
\item graph inference: what is the proble? what is an observation,
contagion model
@@ -8,4 +17,5 @@
speedup over passive
\end{itemize}
\end{itemize}
+
\input{sections/related.tex}