International Virtual Observatory Alliance (IVOA)

The Virtual Observatory (VO) is the vision that astronomical datasets and other resources should work as a seamless whole. Many projects and data centres worldwide are working towards this goal. The International Virtual Observatory Alliance (IVOA) is an organisation that debates and agrees the technical standards that are needed to make the VO possible. It also acts as a focus for VO aspirations, a framework for discussing and sharing VO ideas and technology, and body for promoting and publicising the VO. This collection lists the documents & standards agreed by IVOA.

This record is maintained by: carviset

Record added: March 15, 2018, 12:56 p.m..
Record updated: Oct. 11, 2018, 9:57 a.m. by carviset.

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Data standards

Metadata standardization

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Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 13:04, 15 Mar 2018 (approved):

	'standards' has been modified:
		Before:
			VOTable Format Definition
		After:
			VOTable Format Definition
			Simple Application Messaging Protocol
		Added:
			Simple Application Messaging Protocol
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 20:29, 15 Mar 2018 (approved):

	'standards' has been modified:
		Before:
			VOTable Format Definition
			Simple Application Messaging Protocol
		After:
			VOTable Format Definition
			Simple Application Messaging Protocol
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
		Added:
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 14:04, 16 Mar 2018 (approved):

	'standards' has been modified:
		Before:
			VOTable Format Definition
			Simple Application Messaging Protocol
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
		After:
			VOTable Format Definition
			Simple Application Messaging Protocol
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
			Data Access Layer Interface
		Added:
			Data Access Layer Interface
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 14:11, 20 Mar 2018 (approved):

	'standards' has been modified:
		Before:
			VOTable Format Definition
			Simple Application Messaging Protocol
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
			Data Access Layer Interface
		After:
			VOTable Format Definition
			Simple Application Messaging Protocol
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
			Data Access Layer Interface
			DataLink
			Space-Time Coordinate Metadata Linear String Implementation
			TAPRegExt
		Added:
			DataLink
			Space-Time Coordinate Metadata Linear String Implementation
			TAPRegExt
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 20:37, 20 Mar 2018 (approved):

	'standards' has been modified:
		Before:
			VOTable Format Definition
			Simple Application Messaging Protocol
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
			Data Access Layer Interface
			DataLink
			Space-Time Coordinate Metadata Linear String Implementation
			TAPRegExt
		After:
			VOTable Format Definition
			Simple Application Messaging Protocol
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
			Data Access Layer Interface
			DataLink
			Space-Time Coordinate Metadata Linear String Implementation
			TAPRegExt
			Astronomical Data Query Language
			Simple Cone Search
		Added:
			Astronomical Data Query Language
			Simple Cone Search
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 13:07, 21 Mar 2018 (approved):

	'standards' has been modified:
		Before:
			VOTable Format Definition
			Simple Application Messaging Protocol
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
			Data Access Layer Interface
			DataLink
			Space-Time Coordinate Metadata Linear String Implementation
			TAPRegExt
			Astronomical Data Query Language
			Simple Cone Search
		After:
			VOTable Format Definition
			Simple Application Messaging Protocol
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
			Data Access Layer Interface
			DataLink
			Space-Time Coordinate Metadata Linear String Implementation
			TAPRegExt
			Astronomical Data Query Language
			Simple Cone Search
			Simple Image Access
			Simple Line Access Protocol
			Simple Spectral Access Protocol
		Added:
			Simple Image Access
			Simple Line Access Protocol
			Simple Spectral Access Protocol
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 20:42, 21 Mar 2018 (approved):

	'standards' has been modified:
		Before:
			Simple Application Messaging Protocol
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
			Data Access Layer Interface
			DataLink
			Space-Time Coordinate Metadata Linear String Implementation
			TAPRegExt
			Astronomical Data Query Language
			Simple Cone Search
			Simple Image Access Protocol
			Simple Line Access Protocol
			Simple Spectral Access Protocol
		After:
			Simple Application Messaging Protocol
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
			Data Access Layer Interface
			DataLink
			Space-Time Coordinate Metadata Linear String Implementation
			TAPRegExt
			Astronomical Data Query Language
			Simple Cone Search
			Simple Image Access Protocol
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			IVOA SkyNode Interface
			Simulation Data Access Layer
			VOEvent Transport Protocol 
			IVOA Server-side Operations for Data Access
		Added:
			IVOA SkyNode Interface
			Simulation Data Access Layer
			VOEvent Transport Protocol 
			IVOA Server-side Operations for Data Access
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 13:48, 05 Oct 2018 (approved):

	'admin_notes' has been modified:
		Before: None
		After: 

	'policies' has been modified:
		Before:
		After:
			International Virtual Observatory Alliance UCD Maintenance Policy
			International Virtual Observatory Alliance Document Standards Policy
		Added:
			International Virtual Observatory Alliance UCD Maintenance Policy
			International Virtual Observatory Alliance Document Standards Policy
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'carviset' at 11:28, 03 Oct 2018 (approved):

	'domains' has been modified:
		Before:
			Astrophysics and Astronomy
			Data Governance
		After:
			Astrophysics and Astronomy
			Data standards
			Metadata standardization
		Added:
			Data standards
			Metadata standardization
		Removed:
			Data Governance

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 13:49, 05 Oct 2018 (approved):

	'standards' has been modified:
		Before:
			TAPRegExt
			Data Access Layer Interface
			DataLink
			Simulation Data Model
			Universal Worker Service Pattern
			IVOA Standard for Unified Content Descriptors
			Space-Time Coordinate Metadata for the Virtual Observatory
			Data Model for Astronomical DataSet Characterisation
			Simple Spectral Lines Data Model
			IVOA Spectral Data Model
			IVOA Photometry Data Model
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			IVOA Support Interfaces
			IVOA Server-side Operations for Data Access
			IVOA Web Services Basic Profile
			Simple Cone Search
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			Astronomical Data Query Language
			Simple Image Access Protocol
			IVOA Identifier
			VOEvent Transport Protocol 
			Simulation Data Access Layer
			Observation Data Model Core Components and its Implementation in the Table Access Protocol
			Simple Application Messaging Protocol
			IVOA Registry Interfaces
			Hierarchical Progressive Survey
			Parameter Description Language
			Virtual Observatory Data Modeling Language
			StandardsRegExt: a VOResource Schema Extension for Describing IVOA Standards
			Resource Metadata for the Virtual Observatory
			VOSpace Service Specification
			SimpleDALRegExt - Describing Simple IVOA Data Access Services
			VOResource - an XML Encoding Schema for IVOA Resource Metadata
			VODataService: a VOResource Schema Extension for Describing Collections and Services
			IVOA Registry Relational Schema
			Units in the Virtual Observatory
			Vocabularies in the Virtual Observatory
			IVOA Sky Event Reporting Metadata
			IVOA Credential Delegation Protocol
			Table Access Protocol
			IVOA Single-Sign-On Profile: Authentication Mechanisms
		After:
			TAPRegExt
			Data Access Layer Interface
			DataLink
			Simulation Data Model
			Universal Worker Service Pattern
			IVOA Standard for Unified Content Descriptors
			Space-Time Coordinate Metadata for the Virtual Observatory
			Data Model for Astronomical DataSet Characterisation
			Simple Spectral Lines Data Model
			IVOA Spectral Data Model
			IVOA Photometry Data Model
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			IVOA Support Interfaces
			IVOA Server-side Operations for Data Access
			IVOA Web Services Basic Profile
			Simple Cone Search
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			Astronomical Data Query Language
			Simple Image Access Protocol
			IVOA Identifier
			VOEvent Transport Protocol 
			Simulation Data Access Layer
			Observation Data Model Core Components and its Implementation in the Table Access Protocol
			Simple Application Messaging Protocol
			IVOA Registry Interfaces
			Hierarchical Progressive Survey
			Parameter Description Language
			Virtual Observatory Data Modeling Language
			StandardsRegExt: a VOResource Schema Extension for Describing IVOA Standards
			Resource Metadata for the Virtual Observatory
			VOSpace Service Specification
			SimpleDALRegExt - Describing Simple IVOA Data Access Services
			VOResource - an XML Encoding Schema for IVOA Resource Metadata
			VODataService: a VOResource Schema Extension for Describing Collections and Services
			IVOA Registry Relational Schema
			Units in the Virtual Observatory
			Vocabularies in the Virtual Observatory
			IVOA Sky Event Reporting Metadata
			IVOA Credential Delegation Protocol
			Table Access Protocol
			IVOA Single-Sign-On Profile: Authentication Mechanisms
			The UCD1+ controlled vocabulary
		Added:
			The UCD1+ controlled vocabulary
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 19:13, 23 Mar 2018 (approved):

	'standards' has been modified:
		Before:
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
			Data Access Layer Interface
			DataLink
			Space-Time Coordinate Metadata Linear String Implementation
			Simple Cone Search
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			Simple Application Messaging Protocol
			TAPRegExt
			Simple Image Access Protocol
			Astronomical Data Query Language
			Simulation Data Access Layer
			VOEvent Transport Protocol 
			IVOA Server-side Operations for Data Access
			IVOA SkyNode Interface
		After:
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			Hierarchical Progressive Survey
			Data Access Layer Interface
			DataLink
			Space-Time Coordinate Metadata Linear String Implementation
			Simple Cone Search
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			Simple Application Messaging Protocol
			TAPRegExt
			Simple Image Access Protocol
			Astronomical Data Query Language
			Simulation Data Access Layer
			VOEvent Transport Protocol 
			IVOA Server-side Operations for Data Access
			IVOA SkyNode Interface
			Simulation Data Model
			Space-Time Coordinate Metadata for the Virtual Observatory
			Data Model for Astronomical DataSet Characterisation
			Simple Spectral Lines Data Model
			IVOA Spectral Data Model
			IVOA Photometry Data Model
		Added:
			Simulation Data Model
			Space-Time Coordinate Metadata for the Virtual Observatory
			Data Model for Astronomical DataSet Characterisation
			Simple Spectral Lines Data Model
			IVOA Spectral Data Model
			IVOA Photometry Data Model
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 10:59, 17 Apr 2018 (approved):

	'standards' has been modified:
		Before:
			TAPRegExt
			Data Access Layer Interface
			DataLink
			Simulation Data Model
			Space-Time Coordinate Metadata for the Virtual Observatory
			Data Model for Astronomical DataSet Characterisation
			Simple Spectral Lines Data Model
			IVOA Spectral Data Model
			IVOA Photometry Data Model
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			IVOA Server-side Operations for Data Access
			Space-Time Coordinate Metadata Linear String Implementation
			Simple Cone Search
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			Astronomical Data Query Language
			Simple Image Access Protocol
			VOEvent Transport Protocol 
			IVOA SkyNode Interface
			Simulation Data Access Layer
			Simple Application Messaging Protocol
			Hierarchical Progressive Survey
		After:
			TAPRegExt
			Data Access Layer Interface
			DataLink
			Simulation Data Model
			Space-Time Coordinate Metadata for the Virtual Observatory
			Data Model for Astronomical DataSet Characterisation
			Simple Spectral Lines Data Model
			IVOA Spectral Data Model
			IVOA Photometry Data Model
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			IVOA Server-side Operations for Data Access
			Space-Time Coordinate Metadata Linear String Implementation
			Simple Cone Search
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			Astronomical Data Query Language
			Simple Image Access Protocol
			VOEvent Transport Protocol 
			IVOA SkyNode Interface
			Simulation Data Access Layer
			Simple Application Messaging Protocol
			Hierarchical Progressive Survey
			Observation Data Model Core Components and its Implementation in the Table Access Protocol
		Added:
			Observation Data Model Core Components and its Implementation in the Table Access Protocol
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 13:23, 18 Apr 2018 (approved):

	'standards' has been modified:
		Before:
			TAPRegExt
			Data Access Layer Interface
			DataLink
			Simulation Data Model
			Space-Time Coordinate Metadata for the Virtual Observatory
			Data Model for Astronomical DataSet Characterisation
			Simple Spectral Lines Data Model
			IVOA Spectral Data Model
			IVOA Photometry Data Model
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			IVOA Server-side Operations for Data Access
			Space-Time Coordinate Metadata Linear String Implementation
			Simple Cone Search
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			Astronomical Data Query Language
			Simple Image Access Protocol
			VOEvent Transport Protocol 
			IVOA SkyNode Interface
			Simulation Data Access Layer
			Observation Data Model Core Components and its Implementation in the Table Access Protocol
			Simple Application Messaging Protocol
			Hierarchical Progressive Survey
		After:
			TAPRegExt
			Data Access Layer Interface
			DataLink
			Simulation Data Model
			Space-Time Coordinate Metadata for the Virtual Observatory
			Data Model for Astronomical DataSet Characterisation
			Simple Spectral Lines Data Model
			IVOA Spectral Data Model
			IVOA Photometry Data Model
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			IVOA Server-side Operations for Data Access
			Space-Time Coordinate Metadata Linear String Implementation
			Simple Cone Search
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			Astronomical Data Query Language
			Simple Image Access Protocol
			VOEvent Transport Protocol 
			IVOA SkyNode Interface
			Simulation Data Access Layer
			Observation Data Model Core Components and its Implementation in the Table Access Protocol
			Simple Application Messaging Protocol
			Hierarchical Progressive Survey
			Virtual Observatory Data Modeling Language
		Added:
			Virtual Observatory Data Modeling Language
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 13:23, 18 Apr 2018 (approved):

	'type' has been modified:
		Before: Journal
		After: Society

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 13:41, 18 Apr 2018 (approved):

	'standards' has been modified:
		Before:
			TAPRegExt
			Data Access Layer Interface
			DataLink
			Simulation Data Model
			Space-Time Coordinate Metadata for the Virtual Observatory
			Data Model for Astronomical DataSet Characterisation
			Simple Spectral Lines Data Model
			IVOA Spectral Data Model
			IVOA Photometry Data Model
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			IVOA Server-side Operations for Data Access
			Space-Time Coordinate Metadata Linear String Implementation
			Simple Cone Search
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			Astronomical Data Query Language
			Simple Image Access Protocol
			VOEvent Transport Protocol 
			IVOA SkyNode Interface
			Simulation Data Access Layer
			Observation Data Model Core Components and its Implementation in the Table Access Protocol
			Simple Application Messaging Protocol
			Hierarchical Progressive Survey
			Virtual Observatory Data Modeling Language
		After:
			TAPRegExt
			Data Access Layer Interface
			DataLink
			Simulation Data Model
			Space-Time Coordinate Metadata for the Virtual Observatory
			Data Model for Astronomical DataSet Characterisation
			Simple Spectral Lines Data Model
			IVOA Spectral Data Model
			IVOA Photometry Data Model
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			IVOA Server-side Operations for Data Access
			Space-Time Coordinate Metadata Linear String Implementation
			Simple Cone Search
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			Astronomical Data Query Language
			Simple Image Access Protocol
			VOEvent Transport Protocol 
			IVOA SkyNode Interface
			Simulation Data Access Layer
			Observation Data Model Core Components and its Implementation in the Table Access Protocol
			Simple Application Messaging Protocol
			Hierarchical Progressive Survey
			Virtual Observatory Data Modeling Language
			IVOA Dataset Metadata Model
		Added:
			IVOA Dataset Metadata Model
		Removed:

Edits to 'https://fairsharing.org/bsg-c000051' by 'The FAIRsharing Team' at 13:51, 01 May 2018 (approved):

	'standards' has been modified:
		Before:
			TAPRegExt
			Data Access Layer Interface
			DataLink
			Simulation Data Model
			Space-Time Coordinate Metadata for the Virtual Observatory
			Data Model for Astronomical DataSet Characterisation
			Simple Spectral Lines Data Model
			IVOA Spectral Data Model
			IVOA Photometry Data Model
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			IVOA Server-side Operations for Data Access
			Space-Time Coordinate Metadata Linear String Implementation
			Simple Cone Search
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			Astronomical Data Query Language
			Simple Image Access Protocol
			VOEvent Transport Protocol 
			IVOA SkyNode Interface
			Simulation Data Access Layer
			Observation Data Model Core Components and its Implementation in the Table Access Protocol
			Simple Application Messaging Protocol
			Hierarchical Progressive Survey
			Virtual Observatory Data Modeling Language
			IVOA Dataset Metadata Model
		After:
			TAPRegExt
			Data Access Layer Interface
			DataLink
			Simulation Data Model
			Space-Time Coordinate Metadata for the Virtual Observatory
			Data Model for Astronomical DataSet Characterisation
			Simple Spectral Lines Data Model
			IVOA Spectral Data Model
			IVOA Photometry Data Model
			VOTable Format Definition
			HEALPix Multi-Order Coverage Map
			IVOA Server-side Operations for Data Access
			Space-Time Coordinate Metadata Linear String Implementation
			Simple Cone Search
			Simple Line Access Protocol
			Simple Spectral Access Protocol
			Astronomical Data Query Language
			Simple Image Access Protocol
			VOEvent Transport Protocol 
			IVOA SkyNode Interface
			Simulation Data Access Layer
			Observation Data Model Core Components and its Implementation in the Table Access Protocol
			Simple Application Messaging Protocol
			Hierarchical Progressive Survey
			Virtual Observatory Data Modeling Language
			IVOA Dataset Metadata Model
			Table Access Protocol
			IVOA N-Dimensional Cube Model
			IVOA Provenance Data Model
			Parameter Description Language
			IVOA Single-Sign-On Profile: Authentication Mechanisms
			VOSpace Service Specification
			IVOA Credential Delegation Protocol
			Universal Worker Service Pattern
			IVOA Support Interfaces
			IVOA Web Services Basic Profile
			IVOA Identifier
			IVOA Registry Interfaces
			Resource Metadata for the Virtual Observatory
			StandardsRegExt: a VOResource Schema Extension for Describing IVOA Standards
			SimpleDALRegExt - Describing Simple IVOA Data Access Services
			VOResource - an XML Encoding Schema for IVOA Resource Metadata
			VODataService: a VOResource Schema Extension for Describing Collections and Services
			IVOA Registry Relational Schema
			Units in the Virtual Observatory
			IVOA Standard for Unified Content Descriptors
			Vocabularies in the Virtual Observatory
			IVOA Sky Event Reporting Metadata
			IVOA XML Encoding Schema for Resource Metadata for Collections of Events
		Added:
			Table Access Protocol
			IVOA N-Dimensional Cube Model
			IVOA Provenance Data Model
			Parameter Description Language
			IVOA Single-Sign-On Profile: Authentication Mechanisms
			VOSpace Service Specification
			IVOA Credential Delegation Protocol
			Universal Worker Service Pattern
			IVOA Support Interfaces
			IVOA Web Services Basic Profile
			IVOA Identifier
			IVOA Registry Interfaces
			Resource Metadata for the Virtual Observatory
			StandardsRegExt: a VOResource Schema Extension for Describing IVOA Standards
			SimpleDALRegExt - Describing Simple IVOA Data Access Services
			VOResource - an XML Encoding Schema for IVOA Resource Metadata
			VODataService: a VOResource Schema Extension for Describing Collections and Services
			IVOA Registry Relational Schema
			Units in the Virtual Observatory
			IVOA Standard for Unified Content Descriptors
			Vocabularies in the Virtual Observatory
			IVOA Sky Event Reporting Metadata
			IVOA XML Encoding Schema for Resource Metadata for Collections of Events
		Removed:

46 records in view

Name	Abbreviation	Type	Subject	Domain	Taxonomy	Related Database	Related Standard	Related Policy	In Collection/Recommendation
Astronomical Data Query Language	ADQL	Standard	Astrophysics and Astronomy	None	Not applicable	None	SIA DataLink SLAP SODA SimDAL Plus 6 more...	None	International Virtual Observatory Alliance (IVOA)
Data Access Layer Interface	DALI	Standard	Astrophysics and Astronomy	Web service	Not applicable	None	SIA DataLink SLAP SODA SimDAL Plus 6 more...	None	International Virtual Observatory Alliance (IVOA)
DataLink	DataLink	Standard	Astrophysics and Astronomy	Web service	Not applicable	None	SIA SLAP SODA SimDAL VOEvent Transport Protocol Plus 6 more...	None	International Virtual Observatory Alliance (IVOA)
Data Model for Astronomical DataSet Characterisation	CharDM	Standard	Astrophysics and Astronomy	Data model	Not applicable	None	SimDM STC SSLDM SpectralDM PhotDM Plus 2 more...	None	International Virtual Observatory Alliance (IVOA)
HEALPix Multi-Order Coverage Map	MOC	Standard	Astrophysics and Astronomy	None	Not applicable	None	SAMP VOTable HiPS	None	International Virtual Observatory Alliance (IVOA)
Hierarchical Progressive Survey	HiPS	Standard	Astrophysics and Astronomy	None	Not applicable	None	SAMP VOTable MOC	None	International Virtual Observatory Alliance (IVOA)
International Virtual Observatory Alliance Document Standards Policy	N/A	Society	Astrophysics and Astronomy	None	Not applicable	None	None	None	International Virtual Observatory Alliance (IVOA)
International Virtual Observatory Alliance UCD Maintenance Policy	N/A	Society	Astrophysics and Astronomy	None	Not applicable	None	UCD1+ Vocabulary	None	International Virtual Observatory Alliance (IVOA)
IVOA Credential Delegation Protocol	IVOA Credential Delegation Protocol	Standard	Astrophysics and Astronomy	Web service	Not applicable	None	PDL SSO - Authentication VOSpace UWS VOSI Plus 1 more...	None	International Virtual Observatory Alliance (IVOA)
IVOA Identifier	IVOA Identifier	Standard	Astrophysics and Astronomy	Centrally registered identifier	Not applicable	VizieR	IVOA Registry Interfaces IVOA RM StandardsRegExt SimpleDALRegExt VOResource Plus 2 more...	None	International Virtual Observatory Alliance (IVOA)
IVOA Photometry Data Model	PhotDM	Standard	Astrophysics and Astronomy	Data model	Not applicable	None	SimDM STC CharDM SSLDM SpectralDM Plus 2 more...	None	International Virtual Observatory Alliance (IVOA)
IVOA Registry Interfaces	IVOA Registry Interfaces	Standard	Astrophysics and Astronomy	None	Not applicable	None	IVOA Identifier IVOA RM StandardsRegExt SimpleDALRegExt VOResource Plus 2 more...	None	International Virtual Observatory Alliance (IVOA)
IVOA Registry Relational Schema	RegTAP	Standard	Astrophysics and Astronomy	Resource metadata	Not applicable	None	IVOA Identifier IVOA Registry Interfaces IVOA RM StandardsRegExt SimpleDALRegExt Plus 2 more...	None	International Virtual Observatory Alliance (IVOA)
IVOA Server-side Operations for Data Access	SODA	Standard	Astrophysics and Astronomy	None	Not applicable	None	SIA DataLink SLAP SimDAL VOEvent Transport Protocol Plus 6 more...	None	International Virtual Observatory Alliance (IVOA)
IVOA Single-Sign-On Profile: Authentication Mechanisms	SSO - Authentication	Standard	Astrophysics and Astronomy	None	Not applicable	None	PDL VOSpace IVOA Credential Delegation Protocol UWS VOSI Plus 1 more...	None	International Virtual Observatory Alliance (IVOA)
IVOA Sky Event Reporting Metadata	VOEvent	Standard	Astrophysics and Astronomy	None	Not applicable	None	VOEvent Transport Protocol	None	International Virtual Observatory Alliance (IVOA)
IVOA Spectral Data Model	SpectralDM	Standard	Astrophysics and Astronomy	Data model	Not applicable	None	SimDM STC CharDM SSLDM PhotDM Plus 2 more...	None	International Virtual Observatory Alliance (IVOA)
IVOA Standard for Unified Content Descriptors	IVOA UCD	Standard	Astrophysics and Astronomy	None	Not applicable	VizieR	VOUnits Vocabularies in the Virtual Observatory UCD1+ Vocabulary	None	International Virtual Observatory Alliance (IVOA)
IVOA Support Interfaces	VOSI	Standard	Astrophysics and Astronomy	Web service	Not applicable	None	PDL SSO - Authentication VOSpace IVOA Credential Delegation Protocol UWS Plus 2 more...	None	International Virtual Observatory Alliance (IVOA)
~~IVOA Web Services Basic Profile~~	~~IVOA Web Services Basic Profile~~	Standard	Astrophysics and Astronomy	Web service	Not applicable	None	PDL SSO - Authentication VOSpace IVOA Credential Delegation Protocol UWS Plus 1 more...	None	International Virtual Observatory Alliance (IVOA)
Observation Data Model Core Components and its Implementation in the Table Access Protocol	ObsCoreDM	Standard	Astrophysics and Astronomy	Data model	Not applicable	None	SimDM STC CharDM SSLDM SpectralDM Plus 2 more...	None	International Virtual Observatory Alliance (IVOA)
Parameter Description Language	PDL	Standard	Astrophysics and Astronomy	Data model Web service	Not applicable	None	SSO - Authentication VOSpace IVOA Credential Delegation Protocol UWS VOSI Plus 1 more...	None	International Virtual Observatory Alliance (IVOA)
Resource Metadata for the Virtual Observatory	IVOA RM	Standard	Astrophysics and Astronomy	Resource metadata Web service	Not applicable	VizieR	IVOA Identifier IVOA Registry Interfaces StandardsRegExt SimpleDALRegExt VOResource Plus 2 more...	None	International Virtual Observatory Alliance (IVOA)
Simple Application Messaging Protocol	SAMP	Standard	Astrophysics and Astronomy Data Integration	Software	Not applicable	None	VOTable MOC HiPS	None	International Virtual Observatory Alliance (IVOA)
Simple Cone Search	Simple Cone Search	Standard	Astrophysics and Astronomy	None	Not applicable	None	SIA DataLink SLAP SODA SimDAL Plus 7 more...	None	International Virtual Observatory Alliance (IVOA)
SimpleDALRegExt - Describing Simple IVOA Data Access Services	SimpleDALRegExt	Standard	Astrophysics and Astronomy	Web service	Not applicable	None	SIA IVOA Registry Interfaces SLAP IVOA RM SSA Plus 7 more...	None	International Virtual Observatory Alliance (IVOA)
Simple Image Access Protocol	SIA	Standard	Astrophysics and Astronomy	None	Not applicable	None	DataLink SLAP SODA SimDAL VOEvent Transport Protocol Plus 7 more...	None	International Virtual Observatory Alliance (IVOA)
Simple Line Access Protocol	SLAP	Standard	Astrophysics and Astronomy	None	Not applicable	None	SIA DataLink SODA SimDAL VOEvent Transport Protocol Plus 8 more...	None	International Virtual Observatory Alliance (IVOA)
Simple Spectral Access Protocol	SSA	Standard	Astrophysics and Astronomy	None	Not applicable	None	SIA DataLink SLAP SODA SimDAL Plus 7 more...	None	International Virtual Observatory Alliance (IVOA)
Simple Spectral Lines Data Model	SSLDM	Standard	Astrophysics and Astronomy	Data model	Not applicable	None	SLAP SimDM STC CharDM SpectralDM Plus 3 more...	None	International Virtual Observatory Alliance (IVOA)
Simulation Data Access Layer	SimDAL	Standard	Astrophysics and Astronomy	None	Not applicable	None	SIA DataLink SLAP SODA VOEvent Transport Protocol Plus 6 more...	None	International Virtual Observatory Alliance (IVOA)
Simulation Data Model	SimDM	Standard	Astrophysics and Astronomy	Modeling and simulation	Not applicable	None	STC CharDM SSLDM SpectralDM PhotDM Plus 2 more...	None	International Virtual Observatory Alliance (IVOA)
Space-Time Coordinate Metadata for the Virtual Observatory	STC	Standard	Astrophysics and Astronomy	None	Not applicable	None	XML PhotDM SimDM SSLDM VODataService Plus 4 more...	None	International Virtual Observatory Alliance (IVOA)
StandardsRegExt: a VOResource Schema Extension for Describing IVOA Standards	StandardsRegExt	Standard	Astrophysics and Astronomy	None	Not applicable	heiDATA	XML IVOA Identifier IVOA Registry Interfaces IVOA RM SimpleDALRegExt Plus 3 more...	None	International Virtual Observatory Alliance (IVOA)
Table Access Protocol	TAP	Standard	Astrophysics and Astronomy	None	Not applicable	None	SIA DataLink SLAP SODA SimDAL Plus 6 more...	None	International Virtual Observatory Alliance (IVOA)
TAPRegExt	TAPRegExt	Standard	Astrophysics and Astronomy	None	Not applicable	None	SIA DataLink SLAP SODA XML Plus 7 more...	None	International Virtual Observatory Alliance (IVOA)
The UCD1+ controlled vocabulary	UCD1+ Vocabulary	Standard	Astrophysics and Astronomy	None	Not applicable	None	IVOA UCD	IVOA UCD Policy	International Virtual Observatory Alliance (IVOA)
Units in the Virtual Observatory	VOUnits	Standard	Astrophysics and Astronomy	Unit	Not applicable	None	IVOA UCD Vocabularies in the Virtual Observatory	None	International Virtual Observatory Alliance (IVOA)
Universal Worker Service Pattern	UWS	Standard	Astrophysics and Astronomy	Web service	Not applicable	None	PDL SSO - Authentication VOSpace IVOA Credential Delegation Protocol VOSI Plus 1 more...	None	International Virtual Observatory Alliance (IVOA)
Virtual Observatory Data Modeling Language	VO-DML	Standard	Astrophysics and Astronomy	Data model	Not applicable	None	SimDM STC CharDM SSLDM SpectralDM Plus 2 more...	None	International Virtual Observatory Alliance (IVOA)
Vocabularies in the Virtual Observatory	Vocabularies in the Virtual Observatory	Standard	Astrophysics and Astronomy	None	Not applicable	None	VOUnits IVOA UCD	None	International Virtual Observatory Alliance (IVOA)
VODataService: a VOResource Schema Extension for Describing Collections and Services	VODataService	Standard	Astrophysics and Astronomy	Resource metadata	Not applicable	None	IVOA Registry Interfaces STC XML IVOA RM IVOA Identifier Plus 4 more...	None	International Virtual Observatory Alliance (IVOA)
VOEvent Transport Protocol	VOEvent Transport Protocol	Standard	Astrophysics and Astronomy	None	Not applicable	None	SIA DataLink SLAP SODA SimDAL Plus 7 more...	None	International Virtual Observatory Alliance (IVOA)
VOResource - an XML Encoding Schema for IVOA Resource Metadata	VOResource	Standard	Astrophysics and Astronomy	Resource metadata	Not applicable	None	XML IVOA Identifier IVOA Registry Interfaces IVOA RM StandardsRegExt Plus 3 more...	None	International Virtual Observatory Alliance (IVOA)
VOSpace Service Specification	VOSpace	Standard	Astrophysics and Astronomy	Web service	Not applicable	None	PDL SSO - Authentication IVOA Credential Delegation Protocol UWS VOSI Plus 1 more...	None	International Virtual Observatory Alliance (IVOA)
VOTable Format Definition	VOTable	Standard	Astrophysics and Astronomy Data Integration	None	Not applicable	VizieR	SAMP XML MOC HiPS	None	International Virtual Observatory Alliance (IVOA)

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