\documentclass[a4paper]{article}
\usepackage{dmtcs-front}
\usepackage{hyperref}
\usepackage{graphics}
\pagenumbering{roman}
\input{volume-info}
\begin{document}

\begin{titlepage}
  \begin{center}  
    \huge
    {{\raisebox{5cm}[2cm][3cm]{\includegraphics{dmtcs}}}}\\
    {\Large \href{\VOLUMEURL}{DMTCS Proceedings Series Volume \publicationid}}\\[2cm]

    \textbf{\huge \publicationname}\\[1cm]
  
    {\large Held at the University of The Highlands,
      Down Below, on
      July 13 -- 31, \publicationyear.}\\[2cm]

    \textit{\Large Program Committee Chairs:\\
      \publicationeditors}\\[2cm]

    {\Large Supported by BIG SOURCE and Nice Club}

  \end{center}  
\vfill
   \ISSN\ \copyright\ \publicationyear\hfil
   Discrete Mathematics and Theoretical Computer Science\\
   \href{http://www.dmtcs.org/}{DMTCS}, Nancy, France\hfil
\href{\VOLUMEURL}{\VOLUMEURL}
\end{titlepage}

\begin{dmtcstoc}
% may be omitted 
\HeaderSplit{Contributions}
% get all the stuff that you produced
  \input{gentoc}
\end{dmtcstoc}

\end{document}
