The table access protocol (TAP) defines a service protocol for accessing general table data,
including astronomical catalogs as well as general database tables. Access is provided for …

Abstract The Data Center Helper Suite DaCHS is an integrated publication package for
building VO and Web services, supporting the entire workflow from ingestion to data …

This document describes the linking of data discovery metadata to access to the data itself,
further detailed metadata, related resources, and to services that perform operations on the …

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 …

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 …

VODataService refers to an XML encoding standard for a specialized extension of the IVOA
Resource Metadata that is useful for describing data collections and the services that access …

This document describes the Server-side Operations for Data Access (SODA) web service
capability. SODA is a low-level data access capability or server side data processing that …

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 …

The Observation Locator Table Access Protocol (ObsLocTAP) defines a data model for
scheduled observations and a method to run queries over compliant data, using several …

Abstract The Photometry Data Model (PhotDM) standard describes photometry filters,
photometric systems, magnitude systems, zero points and its interrelation with the other …