This document describes the Data Access Layer Interface (DALI). DALI defines the base
web service interface common to all Data Access Layer (DAL) services. This standard …

This document describes an XML encoding standard for IVOA Resource Metadata, referred
to as VOResource. This schema is primarily intended to support interoperable registries …

Registries provide a mechanism with which VO applications can discover and select
resources-first and foremost data and services-that are relevant for a particular scientific …

This document describes an XML encoding standard for metadata about IVOA standards
themselves, referred to as StandardsRegExt. It is intended to allow for the discovery of a …

Data Origin in the VO specifies a set of metadata items that define basic provenance
information, as well as their representation in documents produced by Virtual Observatory …

This document describes a recommended syntax for writing the string representation of unit
labels ('VOUnits'). In addition, it describes a set of recognised and deprecated units, which is …

The impending data avalanche poses a significant challenge for both data providers and
scientists. Unlocking the full potential of this data for scientific communities relies on their …

This note describes the technical architecture of the International Virtual Observatory
Alliance (IVOA). The description is decomposed into three levels. Level 0 is a general, high …

Bibliographic Interfaces in the Virtual Observatory Version 1.0 Page 1 International Virtual
Observatory Alliance Bibliographic Interfaces in the Virtual Observatory Version 1.0 IVOA …

An increasingly popular pattern in the Virtual Observatory, pioneered by Obscore, is to
define a schema for one or more tables in a database and then publish data or metadata by …