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\journal{Astronomy \& Computing}

\begin{document}

\begin{frontmatter}

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\title{The Virtual Observatory Registry}

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\author{Gretchen Greene}
\author[ari]{Markus Demleitner}
\author[obspm]{Pierre LeSidaner}
\author[ncsa]{Ray Plante}

\address[stsci]{Space Telescope Science Institute}
\address[obspm]{Observatoire de Paris FIXME}
\address[ncsa]{NCSA FIXME}
\address[ari]{Unversität Heidelberg,
Astronomisches Rechen-Institut, M\"onchhofstraße 12-14, 69120 Heidelberg}

\begin{abstract}
In the Virtual Observatory, the Registry provide the mechanism with which
users and applications can discover and select resources -- e.g., data
and services -- that are relevant for a particular scientific problem.
This article describes the design and operation of the system TBD.
\end{abstract}

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\section{Introduction}
\label{sec:intro}


\section{Accessing the Registry}
\label{sec:acc}

\subsection{Data in the Registry}
\label{sec:acc-data}

\redcomment{Markus is sure we need to say something about the DM;
without having an idea about resources, capabilities, interfaces,
curation, publishing, and all that, people can't do the really
interesting queries -- or at least they  won't understand what they're
doing.}

\subsection{Standalone User Interfaces}
\label{sec:acc-ui}

\subsection{Legacy API}
\label{sec:acc-legacy}

\subsection{The Relational Registry}
\label{sec:acc-rr}

\redcomment{Will be written by Markus}

\subsection{The SOLR API}
\label{sec:acc-solr}



\section{Registry Infrastructure}
\label{sec:infra}

\subsection{Publishing and Harvesting}
\label{sec:pubreg}

\redcomment{This would include a brief comment on OAI-PMH}

\subsection{Publishing UIs}
\label{sec:pubui}



\section{Registry Operations}
\label{sec:operation}

\subsection{Registry Content}
\label{sec:content}
\redcomment{Markus could very well imagine contributing here}

\subsection{Curation and Validation}
\label{sec:curation}


\section{Conclusions}
\label{sec:conc}


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