IVOA Roadmap for 2019B

((Note: JE Seeded with contents of 2019A - Needs edits by WG/IG to lead to Sydney; remove 2019A on your section after edit))

This outlines the roadmap for development activities by the various IVOA working and interest groups in 2019 between the Paris and Groningan Interops.


Applications WG ((2019A))

Standards
  • VOTable 1.4: Complete RFC period and recommend (well) before Groningen Interop
  • MOC 1.1: Complete RFC period and recommend (well) before Groningen Interop
  • VOTable 1.5: Move VOTable standards development to ivoadoc in github, and consider other possible changes.
  • MOC 2.0 (probably): Work towards standardizing Space-Time MOCs (twiki page TBD).
Python
  • Continue to engage with Astropy community
  • Support open development in PyVO
  • Maintain votable parsing in Astropy core
    • Includes supporting VOTable 1.4
HiPS
  • Continue to encourage HiPS providers to declare their services in the VO registry according to the HiPS Standard.
  • Discuss metadata and integration with other standards.

Data Access Layer WG

Ordered by rough priority/maturity level.

Timelines sketched where possible.

  • ADQL-2.1
    • last issues to close
    • PR & RFC by end 2019
    • REC by/in Sydney (May 2020)
  • DALI-1.2
    • start revision
    • should be aligned with ADQL-2.1
  • DataLink-1.1
    • WD by end 2019/start 2020
    • changes/feature roadmap assessment along the way
  • SLAP-2.0
    • PR soon after Groningen Interop (Oct./Nov. 2019)
    • RFC by end 2019: pending 2nd implementation engagement
    • follow SSLDM-2.0 recmmendation track
  • ObsLocTAP & ObjVisSAP
    • WD in 1.0 by Sydney
  • ProvTAP
    • expected to progress as proper WD
  • ConeSearch-1.1
    • restart revision
    • Time requirements addition
    • WD should appear by end 2019 or Q1 2020
TAPRegExt-1.0 is supposed to work properly on TAP-1.1 (recently REC), but will follow "caproles" evolution. SIAP-2.0, SODA-1.0 are still gathering feedback. ProvSAP seems currently idle.

Data Model WG ((2019A))

Provenance

  • We hope to complete the process by the end of the Summer.
  • The PR process should be started before the end of July

Meas/Cood/Transf

  • Ongoing discussions with Mark on the schedule. The process must speed up once Provenance is OK.
  • Models depending on STC are still pedning

PhotDM VODML Adaptation

  • Working with JS and ML to complete the job before Grôningen

Source DM

  • We are working on an note (DM+DAL+Apps) giving some precise guidelines for using a component based model

TimeSeries

  • see TDIG

Grid and Web Services WG ((2019A))

Authentication and Authorization

  • New SSO version, Working draft by October 2019:
    • Describe approach for obtaining token credentials (SSO)
    • Describe approach for validating token credentials (SSO)
    • Define an IVOA "Realm" and how it determines the scope of services for which a token is applicable. (SSO)
  • Implement OAuth in TAP
  • Another Group Membership Service Working Draft with definition of User Identities (GMS 1.0)
Science Platforms
  • Encouraged groups to use Kubernetes. Data centres will be running services as containers. Natural step to run user code in containers. Standards after more experience.
  • Encouraging remote executing prototypes with containers. What infrastructure and information did you need? What problems did you face?
  • Describe POSIX access to a platform. New VOResource Interface Type?
  • Encourage collaboration. Share knowledge, code and resources with similar institutes. Organic convergence.

Registry WG

Operations:

  • Validation project: Re-validate registries and bring remaining full/searchable registries to full validation compliance, given 2019A improvements to RofR's validator
  • Validation project: at least one telecon with RofR and registry operators/software maintainers for remaining work given 2019A RofR changes
  • Explore methods for announcing server software in resources as done with user-agent information client-side
  • Support IVOA registry inclusion with EUDAT/EOSC/ESCAPE projects
  • Encourage takeup of altIdentifier information, especially DOIs, across publishing registries
Standards:
  • Continue work on VODataService 1.2, especially regarding MOCs in the registry
  • Explore registration for HiPS nodes

Semantics WG

Since VOTable 1.4 is now REC, we will remove the preliminary status on the associated vocabularies (timescale and refpos) shortly after the Groningen Interop.

We will make sure all Semantics standards are properly registered as we update the record of UCD maintenance.

The first updated UCD list according to the new process should be ready for the next TCG meeting. As it is going to be published, we will have to figure out how to represent the current UCD list in the document repository, somehow clearly indicating that people should no longer consult the REC.

The work on Vocabularies in the VO 2 will go on. Soon after Groningen, we will try to run the first one or two VEPs and see how discussions will go. Provided the process proves workable, we might go for PR with Vocabularies in the VO 2.0 after Sydney.

One vocabulary that might need to be discussed outside of any current standard is one of astronomical object types, usable in SSA's and Obscore's target_class and at the same time on Simbad and SimDB and ideally as synchronised with UAT as possible. We will try to engage the interested communities in such work.

Data Curation & Preservation IG ((2019A))

  • DOI Survey to continue
  • DOI Note draft to publish before Groningen and to discuss during the DCP session

Education IG ((2019A))

Knowledge Discovery IG ((2019A))

Operations IG

  • Service monitoring:
    • PADC, Euro-VO to continue bulk validation/monitoring, present weather reports at next Interop
    • Follow up common/persistent validation failures reported in Groningen: PADC/Euro-VO to contact offending services in some cases, consider whether Errata/changes are required to standards
  • Validator curation:
    • Monitor availability of validator software for existing and new standards and versions (IvoaValidatorsSummary)
  • Identifying Server Software:
    • Experiment with HTTP headers to allow clients to identify VO software stack
  • Keep an eye on Science Platform operational issues
  • Provide a forum for discussion of operational issues at and between interops

Solar System IG ((2019A))

  • Draft EPNcore / EPN-TAP version (with DAL?)
  • List of reference frame / coordinate systems (with Semantics)

Theory IG ((2019A))

  • Want to create SimDM 1.1: port to VO-DML (basically done) and fix vocabulary links.
  • Discussion about maintenance of semantic vocabularies used in SimDM. Some can be shared (say astroobjects), but we should be able to create some just for theory. It will take too long to push through long acceptance process.
  • How SimDAL services can be registered in the Registry?
  • Any application able to use a SimDAL service?

Time Domain ((2019A)

  • TimeSeriesDM:
    • Explore how the current status of the data model is able to describe ZTF-DR1 products (Objects Table, lightcurves, single-epoch images, quality flags) * Work with Apps on ST-MOC:
  • ST-MOCs
    • Work with data providers to precompute STMOCs: VizieR catalogs and HiPS, and for solar system body ephemeris - work close to SSIG for that.
    • Ingest in CDS MocServer: clients can resource by Space-Time.
    • Create library in python and add to mocpy.
    • Do we need a standard IVOA 2.0 MOC for SMOC, TMOC and STMOC?
    • VO registry coverage by STMOC? Work with registry for that.
  • Work with Semantics to improve discovery and client use of:
    • VOEvents services and streams (What and where)
    • Time Series as distributed by datalink (data product (sub)type)
    • Get the refposition case of topocenter started for TIMESYS in VOTable1.4

Standard and Processes ((2019A))

Science Priorities ((2019A))

Topic revision: r8 - 2019-10-18 - MarkTaylor
 
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