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\permission{Copyright is held by the author/owner(s).}
\conferenceinfo{WWW'16 Companion,}{April 11--15, 2016, Montr\'eal, Qu\'ebec, Canada.}
\copyrightetc{ACM \the\acmcopyr}
\crdata{978-1-4503-4144-8/16/04. \\
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\begin{document}
\title{Centrality Measures on Big Graphs:\\Exact, Approximated, and Distributed Algorithms}

\numberofauthors{3}
\author{
\alignauthor
Francesco Bonchi\\
       \affaddr{ISI Foundation}\\
       \affaddr{Turin, Italy}\\
       \email{francescobonchi@acm.org}
\end{tabular}\begin{tabular}[t]{p{1.3\auwidth}}\centering
Gianmarco~De~Francisci~Morales\\
       \affaddr{XXX}\\
       \affaddr{XXX}\\
       \email{gdfm@acm.org}
\alignauthor
Matteo Riondato\titlenote{Main contact person}\\
       \affaddr{Two Sigma Investments}\\
       \affaddr{New York, NY, USA}\\
       \email{matteo@twosigma.com}
}

\date{12 February 2016}
\maketitle

\begin{abstract}
\end{abstract}

\section{Introduction}



\end{document}

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