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Resource Metadata
Last updated: 19 June 2007 -
RayPlante
Standard Specifications
The standards for metadata used to describe resources in the VO come in two forms: prose documents that define the metadata concepts and XML Schemas used to encode them.
Metadata Definition Documents
Resource Metadata (RM)
- IVOA Recommendation
- "Resource Metadata for the Virtual Observatory" v1.01
Robert Hanisch, Ed.
This document (euphemistically referred to as "RM") defines standard metadata concepts that describe resources, independent of any particular encoding format. It also describe the general resource model upon which the concepts are based.
This document is intended primarily for developers of new standards for encoding resource metadata.
- IVOA Working Draft
- "Astronomy Visualization Metadata (AVM)" v1.1
Adrienne Gauthier, Editor.
This document defines a set of metadata that can be used to describe graphical images (e.g. JPEG, GIF, etc.) used for astronomy public outreach. It was developed via the IAU
Virtual Astronomy Multimedia Project (VAMP) with input from the broader astronomical outreach community. The
AstroVisualiztionMetadata page covers discussion of this document as a candidate IVOA standard.
XML Schemas
VOResource
- IVOA Recommendation
- VOResource: an XML Encoding Schema for Resource Metadata (v1.03)
RayPlante, Editor. RFC completed Aug 2007.
VOResource in general refers to a set of XML Schemas that includes a core schema (VOResource-v__X.X__.xsd) based on the
RM Recommendation and a set of standard extension schemas that define particular types of resources.
These schemas are intended for use by VO XML-based applications. In particular, these schemas are used for supporting interoperable communication with resource registries.
- Working Draft
- VODataService: a VOResource extension for Data Collections and Services, v1.0 (Aurelien Stebe and Ray Plante, editors)
VOStandard
Simple Services (SCS, SIA, SSA)
A working draft of a document defining the extension schemas for describing
SIA (
schema),
SSA (
schema), and
ConeSearch (
schema) is under development at
SimpleDALRegExtensions.
VOApplication
Other Extensions in Development
Creating Registry Extensions
The
VOResource has been designed to allow new metadata to be defined as an extension on the core. The
VOResource specification recommends how to create extension schemas. Additional information about extending the VOResource schema, consult the
VOResource page.
Useful Links and Tools for Developers
- Tools for converting VOResource v0.10 to v1.0 can be found at RegUpgradeToV10
Deprecated versions