\section{Discussion}
Table~\ref{tab:proscons} highlighs and summarizes pros and cons of each of the proposed serialisations.

\begin{table}[h!]
\begin{center}
\caption{Model dependances}\label{tab:modeldep}
\begin{tabular}{|c|c|c|c|c|c|}
\hline
\textbf{Model}             & \textbf{Function}          & \textbf{ML} & \textbf{MCD} & Rec  & VO-DMLized \\ 
\hline 
TS Characterization        &  Physical description      & \yes        & \no          & \yes & \no  \\
                           &  (mag, flux, position, ...)&             &              &      &      \\
Cube data model            &  N-Dim observable          & \yes        & \yes         & \no  & \yes \\
PhotoDM                    &  Phot. system              & \yes        & \no          & \yes & \no  \\
SparseCube                 &  Event lists               & \yes        & \yes         & \no  & \yes \\
Meas                       &  Def. of measurement       & \yes        & \yes         & \no  & \yes \\
spec:Spectral Model        &  Phot. system              & \no         & \yes         & \no  & \no  \\
ts:Simple Time Series      &  Event lists with time axis& \no         & \yes         & \no  & \yes \\
Dataset Metadata           &  Non-physical description  & \yes        & \yes         & \no  & \yes \\
                           &  (telescope, pubDID,...)   &             &              &      &      \\
\hline
\end{tabular}
\end{center}
\end{table}



\begin{table}[h!]
\begin{center}
\caption{Pros and Cons of each proposed model}\label{tab:proscons}
\begin{tabular}{|c|c|c|c|c|c|}
\hline
                           & \multicolumn{2}{c}{\textbf{models}} & \multicolumn{3}{c}{\textbf{serializations}} \\
\hline
\textbf{Type of data}      & \textbf{ML} & \textbf{MCD} & \textbf{u-type} & \textbf{VODML}  & \textbf{VODML-light} \\ 
\hline 
RV/position/Light-curves   & \yes        & \yes        & \yes             & \yes         & \yes        \\
                           &             &             &                  &              &             \\
                           &             &             &                  &              &             \\
                           &             &             &                  &              &             \\
Radial-velocity curves     & \yes        & \yes        & \yes             & \yes         & \yes        \\
Series of dataproduct      & \yes        & \no         & \yes             & \yes         & \yes        \\
\hline
\end{tabular}
\end{center}
\end{table}