Report from the Report from the TCG F2F TCG F2F MtgMtg #1#1

http://www.ivoa.net/cgihttp://www.ivoa.net/cgi--bin/twiki/bin/view/IVOA/TCGMeetingAgenda201005bin/twiki/bin/view/IVOA/TCGMeetingAgenda201005

and TCG Statusand TCG Status

Christophe ArvisetChristophe ArvisetFor the TCGFor the TCG

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 22

TCG

TCG F2F #01TCG F2F #01Meeting main objectivesMeeting main objectives

1.1. Review and update IVOA top level Review and update IVOA top level architecturearchitecture

2.2. Study main Science use cases for the VOStudy main Science use cases for the VO3.3. Discuss and review TCG organizationDiscuss and review TCG organization

4.4. Get TCG together, not just Get TCG together, not just ““virtuallyvirtually””Asked by the IVOA Exec Asked by the IVOA Exec Encouraged by TCG members in GarchingEncouraged by TCG members in GarchingInteractive and constructive F2F discussionsInteractive and constructive F2F discussions

Friday 14/05

Saturday 15/05

Both days!

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 33

TCG

TCG F2F#1 ParticipantsTCG F2F#1 Participants

TCG TCG -- Christophe and SeverinChristophe and SeverinApps WG Apps WG –– Tom and MarkTom and MarkDAL WG DAL WG –– Keith and JesusKeith and JesusDM WG DM WG -- MireilleMireilleGWS WG GWS WG –– MatthewMatthewRegistry WG Registry WG -- RayRaySemantics WG Semantics WG –– SebastienSebastienVOEvent WG VOEvent WG -- RobRobVOTable WG VOTable WG –– FrancoisFrancoisStd & Proc Std & Proc CtteCtte–– FrancoiseFrancoiseTheory IG Theory IG –– HerveHerveIVOA IVOA –– Fabio and PaoloFabio and Paolo

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 44

TCG

IVOA Top Level ArchitectureIVOA Top Level ArchitectureWhat?What?

2 views required2 views required

1.1. (level 0) view for (level 0) view for ““publicpublic”” consumptionconsumptionGlobal, generic, minimize VO jargonGlobal, generic, minimize VO jargonReadable by all, not too technicalReadable by all, not too technical

2.2. (level 1) view for IVOA and VO needs(level 1) view for IVOA and VO needsExtension of (level 0)Extension of (level 0)More detailed, all IVOA standards mentionedMore detailed, all IVOA standards mentionedClear connections between IVOA standards (helps the TCG review, Clear connections between IVOA standards (helps the TCG review, the interthe inter--dependency)dependency)Shows what is need to implement VO (as a Data Centre, an Apps Shows what is need to implement VO (as a Data Centre, an Apps developer, an astronomer, developer, an astronomer, ……))

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 55

TCG

IVOA ArchitectureIVOA ArchitectureIn progressIn progress

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 66

TCG

IVOA ArchitectureIVOA ArchitectureGetting thereGetting there

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 77

TCGIVOA Architecture IVOA Architecture –– Level 0Level 0

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 88

TCGIVOA Architecture IVOA Architecture –– Level 1Level 1

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 99

TCGIVOA Architecture IVOA Architecture –– Level 2Level 2

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 1010

TCG

IVOA ArchitectureIVOA ArchitectureIn action In action -- TOPCATTOPCAT

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 1111

TCG

IVOA ArchitectureIVOA ArchitectureIn action In action -- VOSpecVOSpec

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 1212

TCG

IVOA ArchitectureIVOA ArchitectureIn action In action –– Image PublishingImage Publishing

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 1313

TCG

IVOA ArchitectureIVOA ArchitectureIn action In action –– Observation PublishingObservation Publishing

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 1414

TCGUpdated IVOA ArchitectureUpdated IVOA Architecture

Including all existing IVOA REC standardsIncluding all existing IVOA REC standardsIncluding all (planned) upcoming IVOA Including all (planned) upcoming IVOA standardsstandards

Clearer IVOA Clearer IVOA ““TechnicalTechnical”” PicturePictureFor the publicFor the publicFor the IVOAFor the IVOAFor the WG and For the WG and IGsIGsFor the VO For the VO ““implementersimplementers””

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 1515

TCG

IVOA ArchitectureIVOA ArchitectureNext stepsNext steps

Finalize and write IVOA Note with updated Finalize and write IVOA Note with updated ArchitectureArchitecture

1 or 2 documents ?1 or 2 documents ?

For all upcoming standards, include IVOA For all upcoming standards, include IVOA architecture showing where the standards fits in itarchitecture showing where the standards fits in it

(editorial) Update of all existing standards with (editorial) Update of all existing standards with similar change ?similar change ?

(side question) we might need a (side question) we might need a ““fast trackfast track”” for IVOA for IVOA standards for this type of changestandards for this type of change

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 1616

TCGScience CasesScience Cases

Drive TCG work from science requirements coming Drive TCG work from science requirements coming from the communityfrom the community

3 main science cases coming from the IVOA Take3 main science cases coming from the IVOA Take--up up CommitteeCommittee

SED buildingSED buildingSearch by list of sources + search on classSearch by list of sources + search on classVO VO ““PortalPortal””

Brainstorming sessions and compilation to determine Brainstorming sessions and compilation to determine IVOA standards required to address these science IVOA standards required to address these science casescases

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 1717

TCGSED BuildingSED Building

Document SED part of the model

SED data provider cookbook (NOTE)

TAP to be used as well ?

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 1818

TCG

Search by list of sourcesSearch by list of sourcesSearch by class of sourcesSearch by class of sources

Source DM to be considered as well ?

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 1919

TCGVO VO ““PortalPortal””

Discussion about the conceptDiscussion about the conceptMore a VO Tools discovery portalMore a VO Tools discovery portalNot a data discovery portalNot a data discovery portal

Linked with overall IVOA Web Linked with overall IVOA Web reorganizationreorganization

EXEC FM34SEXEC FM34S--6 on AL6 on ALSite of the astronomerSite of the astronomer

Dynamic list of VO ToolsDynamic list of VO ToolsCuration issuesCuration issues

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 2020

TCG

Science CasesScience CasesNext stepsNext steps

Some standards to be finalizedSome standards to be finalizedSome standards to be updatedSome standards to be updatedNew standards to be developed New standards to be developed

To be endorsed by the EXECTo be endorsed by the EXEC

To be taken into account in WG / IG upcoming To be taken into account in WG / IG upcoming work plan and reflected in Technical work plan and reflected in Technical Assessment and Roadmap for 2010Assessment and Roadmap for 2010

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 2121

TCG

Validation and Verification 1/2Validation and Verification 1/2

Two dedicated sessions planned during this Two dedicated sessions planned during this interopinteropDiscussions Discussions about the processabout the process at TCG F2Fat TCG F2F

InterInter--dependency and consistency of standards dependency and consistency of standards amongst amongst WGsWGs

Normally addressed through TCG reviewNormally addressed through TCG reviewNow made clearer with updated IVOA ArchitectureNow made clearer with updated IVOA Architecture

Inconsistencies of Registry entriesInconsistencies of Registry entriesTo be addressed by Registry WGTo be addressed by Registry WG

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 2222

TCG

Validation and Verification 2/2Validation and Verification 2/2

Validation and Verification of standards Validation and Verification of standards implementationimplementation

To be addressed by each WGTo be addressed by each WGAt next Nara InteropAt next Nara Interop

Special standards implementation and feedback session for each Special standards implementation and feedback session for each WG (joint sessions if more adequate)WG (joint sessions if more adequate)Each WG chair to look at all existing implementations of the WG Each WG chair to look at all existing implementations of the WG standards, standards, ““learnlearn”” from these, and determine if modifications / from these, and determine if modifications / improvements of the standards are requiredimprovements of the standards are required

For the main Science casesFor the main Science cases““Contact nameContact name”” from the Committee on Science Prioritiesfrom the Committee on Science PrioritiesRegular implementation report in Apps sessionsRegular implementation report in Apps sessions

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 2323

TCGTCG Organization (1/2)TCG Organization (1/2)

TCG current structure adequateTCG current structure adequate

Some Some WGsWGs to become more to become more ““operationsoperations”” focussedfocussed((egeg Apps, VOEvent, Registry)Apps, VOEvent, Registry)Merge VOQL WG with DAL WGMerge VOQL WG with DAL WG

Creation of a Creation of a ““Core ComponentsCore Components”” WG to be WG to be envisaged ?envisaged ?

No agreement, Discussion still requiredNo agreement, Discussion still requiredIncluding Semantics, core parts of DM (units, STC, Utypes) Including Semantics, core parts of DM (units, STC, Utypes) ??

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 2424

TCGTCG Organization (2/2)TCG Organization (2/2)

Agreement on continuation of TCG F2F meetingsAgreement on continuation of TCG F2F meetingsF2F #1 very useful and productiveF2F #1 very useful and productiveLots of achievements in small timeLots of achievements in small timeAll members now with a common IVOA Architecture viewAll members now with a common IVOA Architecture viewTriggered various discussions to be addressed by the TCGTriggered various discussions to be addressed by the TCG

1 day TCG F2F meeting before each 1 day TCG F2F meeting before each interopinterop ??

Presence of full TCG at ExecPresence of full TCG at ExecSome find it useful, others lessSome find it useful, others less

IVOA Exec FM36, VictoriaIVOA Exec FM36, Victoria16 May 201016 May 2010 Christophe Arviset Christophe Arviset –– TCG chairTCG chair Page Page 2525

TCGState of the TCGState of the TCG

Standards in REC processStandards in REC process

Technical Assessment and Roadmap for 2010 Technical Assessment and Roadmap for 2010 to be writtento be written