International  Virtual  Observatory  Alliance
IVOA Documents

Resource Metadata for the Virtual Observatory
Version 1.12

IVOA Recommendation 02 March 2007

Interest/Working Group:
Robert Hanisch, the IVOA Resource Registry Working Group, the NVO Metadata Working Group
Robert Hanisch


An essential capability of the Virtual Observatory is a means for describing what data and computational facilities are available where, and once identified, how to use them. The data themselves have associated metadata (e.g., FITS keywords), and similarly we require metadata about data collections and data services so that VO users can easily find information of interest. Furthermore, such metadata are needed in order to manage distributed queries efficiently; if a user is interested in finding x-ray images there is no point in querying the HST archive, for example. In this document we suggest an architecture for resource and service metadata and describe the relationship of this architecture to emerging Web Services standards. We also define an initial set of metadata concepts.

Status of this document

This document has been produced by the Resource Registry Working Group.
It has been reviewed by IVOA Members and other interested parties, and has been endorsed by the IVOA Executive Committee as an IVOA Recommendation. It is a stable document and may be used as reference material or cited as a normative reference from another document. IVOA's role in making the Recommendation is to draw attention to the specification and to promote its widespread deployment. This enhances the functionality and interoperability inside the Astronomical Community.

.html .doc .pdf

maintained by  ::ivoa document coordinator::