IVOA Technical Coordination Group

This Committee is formed by the Chairs of the Working and Interest Groups as well as the TCG and IVOA chairs and vice-chairs.

---

---

TCG Charter

The Charter is detailed here

Members

	Chair	Vice-Chair
TCG	PatrickDowler	JanetEvans
Working Groups
Applications	TomDonaldson	RaffaeleDAbrusco
Data Access Layer	MarcoMolinaro	JamesDempsey
Data Model	LaurentMichel	JesusSalgado
Grid and Web Sevices	GiulianoTaffoni	ChristineBanek
Registry	TheresaDower	PierreLeSidaner
Semantics	MarkusDemleitner	CarloMariaZwoelf
Interest Groups
Data Curation & Preservation	AndreSchaaff	TimJenness
Education	ChenzhouCui	HendriklHein
Knowledge Discovery in Databases	KaiLarsPolsterer	MatthewGraham
Operations	MarkTaylor	SteveGroom
Solar System	BaptisteCecconi	StevenJoy
Theory	CarlosRodrigo	GerardLemson
Time Domain	AdaNebot	DaveMorris
IVOA Committees
Exec	Mark Allen	Chenzhou Cui
Standard and Processes	Christophe Arviset
Science Priorities	Bruno Merin
Inactive Working Groups
VOTable	Assigned to Apps WG
VO Query Language	Merged with DAL in May 2010
VOEvent	Transformed into Time Domain IG in Oct 2012

IVOA Architecture

The current version of the IVOA Architecture Note (23 Nov 2010) can be found here

• Source file for Level 0, 1, 2 and for each individual standard: VOArchitecture-IVOAStandards_20160506.pptx

Note: Up-to-date architecture diagrams can be generated from within the ivoatex package on volute. Thesewill be moved to be included in the source code of the architecture note and re-rendered versioins made available for use in documents, presentations, etc.

On-going Recommendations

Standard Title	Short Name	RFC Page	RFC period
			TCG Review	Rec to Exec
Provenance	PR-Prov-1.0	RFC	2019-07-23 to 2019-09-03
Measurements	PR-Meas-1.0	MeasRFC	2019-09-13 to 2019-10-21
Coordinates	PR-Coords-1.0	CoordsRFC	2019-09-13 to 2019-10-21
SSLDM	PR-SSLDM-2.0	SSLDM	2019-10-02 to 2019-11-13

For WG chairs convenience,

• Please find here a Template RFC page that can be used to create new RFC pages for a specific standard.
• List of steps for the Standard Promotion Process
• See here the Current IVOA Standards Status

Current Errata

Title	Errata Page	TCG Review
NONE

Status column definitions,

• WG means dicussions are underway
• TCG means that TCG members should review and be prepared to vote at the next TCG meeting (telecon or face-to-face)
• PASS/Date is when TCG reviewed and approved the errata
• Note: Row will be removed in table by TCG VCh after Errata has made it to Doc&Stds pages - reviewed periodically during TCG mtg prep

IVOA Technical Assessment and Roadmap Documents

• TCG Active Standards Efforts - May 2019
• 2019B Roadmap - development activities by the various IVOA working and interest groups in 2019 between the Gronigan and Sydney Interops.
• Previous Years Roadmaps -
• 2019A Roadmap,2018B Roadmap, 2018A Roadmap, 2017B, 2017A, 2016B, 2016A, 2015B, 2015A, 2014B, 2014A, 2013B, 2013A, 2012, 2010, 2009, 2008, 2007, 2006, 2005

Standards Process Review

• Discussion page for Standards Process Review

Meetings / Teleconf / Discussions / Coordination

• 2019 - F2F 2019-10-09, ProgramPrepGroningen, Telecon 2019-08-22, Telecon 2019-07-16, F2F 2019-05-12, Telecon 2019-04-16, Telecon 2019-02-05, ProgramPrepParis
• 2018 - ProgramPrepCollegePark, F2F 2018-11-08, Telecon 2018-09-18, Telecon 2018-07-05, F2F 2018-05-27, Telecon 2018-02-22
• 2017 - Telecon 2017-05-05
• 2016 - Telecon 2016-02-08 F2F Meeting 2016-05-8
• 2015 - Telecon 2015-09-14 Telecon 05/Feb/2015, Telecon 12/May/2015, Meeting 14/Jun/2015
• 2014 - Telecon 22/Apr/2014, Meeting 18/May/2014, Telecon 30/Sep/2014
• 2013 - Telecon 26/Feb/2013, Meeting 12/May/2013, Telecon 10/Sep/2013, Telecon 17/Dec/2013
• 2012 - Telecon 28/Feb/2012, Telecon 12/Apr/2012, Meeting 20/May/2012, Telecon 06/Sep/2012, Meeting 21/Oct/2012, Telecon 12/Dec/2012
• 2011 - TCG Telecon 2/March/2011, TCG Telecon 4/May/2011, TCG Meeting 15/May/2011, TCG Telecon 25/Aug/2011, TCG Meeting 16/Oct/2011
• 2010 - TCG Meeting 14-15/May/2010, TCG Meeting 6/Dec/2010
• 2009 - TCG Telecon 12/May/2009, TCG Telecon 16/Sep/2009, IVOA WD Numbering Nomenclature discussion, Jan/2009
• 2008 - TCG Telecon 27/Feb/2008, TCG Telecon 4/Sep/2008
• 2007 - TCG Telecon 10/Sep/2007

Past Recommendations

• 2019 - MOC-1.1 RegTAP-1.1 TAP-1.1 UCDListMaintenance-2.0 VOTable-1.4
• 2018 - VO-DML-1.0, RegistryInterface-1.1, VOResource-1.1, VOSpace-2.1, UCD1+-1.3
• 2017 - VTP-2.0, DALI-1.1, HiPS-1.0, SODA-1.0, SimpleDALRegExt-1.1, SSO-2.0, VOSI-1.1, ObsCore-1.1, DocStd-2.0, SimDAL-1.0
• 2016 - UWS-1.1, IVOAIdentifiers-2.0
• 2015 - DataLink 1.0, SIA-2.0
• 2014 - VOUnits 1.0, PDL 1.0, MOC 1.0, RegTAP 1.0
• 2013 - VOSpace 2.0, VOTable 1.3, SimpleDALRegExt 1.0, PhotDM 1.0, DALI 1.0
• 2012 - SAMP 1.3, StandardsRegExt 1.0, SimDM 1.0, TAPRegExt 1.0
• 2011 - ObsCoreDM 1.0, VOSI 1.0, VOEvent 2.0, SSAP 1.1 and SpectrumDM 1.1
• 2010 - WS BP 1.0, SAMP 1.2, SSLDM 1.0, SLAP 1.0, UWS 1.0, VODataService 1.1, IVOA Std Doc 1.2, TAP v1.0
• 2009 - CDP, VOTable 1.2, SIAP, Vocabularies, VOSpace 1.15, Registry Interface, SAMP
• 2008 - ADQL 2.0
• 2007 - SCS, Spectrum DM, STC, CharDM, SSAP, SSO, VOSpace, VOResource