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IVOA Roadmap for 2017B

This outlines the roadmap for development activities by the various IVOA working and interest groups in 2017/2018 between the Santiago and Victoria Interops.


Data Access Layer

  • TAP 1.1
    • New PR by end of November
    • RFC before Christmas
    • REC possibly before Spring interop
  • ADQL 2.1
    • New version of the WD in November
    • PR should follow directly from it
  • Datatype Consistency check among ADQL, TAP, DALI
    • Find a volunteers team ASAP
  • SCS 1.1
    • lets' go on with discussion of WD in end 2017, early 2018
    • New WD in early 2018, if enough participated, PR after Spring interop
  • SLAP 1.1
    • Publish the current WD
    • Revisit the DALI compliancy and upgrade rationale for a new WD in early 2018
  • PROVDAL 1.0
    • WD end 2017/early 2018
    • PR before spring interop
  • PROVTAP 1.0
    • WD end 2017/early 2018
    • reference implementation to be worked out for Spring interop
  • DataLink discovery modifications
    • DAL chair note to be published early december
    • Endorsed note early 2018 ?
  • DAL multi-D protocols (ObsCore, SIAV2, DataLink, SODA) upgrades or extensions : generic and TimeSeries-oriented
    • DAL chair and co-chair note end 2017
    • Follow-up to be coordinated with TDIG and DM WG.
  • Errors detected by Validators in DAL services .
    • DAL chair and co chair to revisit this with Ops and validator operators and report at spring TCG teleconf

Data Model

Grid and Web Services

Below is the 6-month roadmap for the Grid and Web Services Working Group after a successful and productive interop meeting in Santiago. The work related to UWS is the outcome of a resolution of a Registry WG issue of discovering services with multiple interfaces.

  • VOSpace 2.1
    • To adopt new UWS sync and async types in interfaces for transfers
    • Make clear in the standard capabilities the use of VOSpace standardIDs
    • Add standard registry records (2.0 & 2.1)
    • Goal: RFC / TCG approval before 2018

  • New UWS standard registry records for interface types (uws:sync, uws:async)

  • Complete KDD/GWS Machine Learning experiment for code-to-data
    • more needed! (see below)

  • Group Membership Service Working Draft

  • Contributors needed for:
    • Interoperable code-to-data prototypes
    • Recommendation for Federated Authentication — An IVOA recommendation on how to integrate with federated authentication systems
    • Note giving examples on how to use the SecurityMethods described in SSO 2.1
    • Into the VO: Probabilistic Kernel Density Classification?

  • If time permits:
    • Note on the proper pattern of making VO Service calls



Data Curation & Preservation


Knowledge Discovery


Monitoring activities at VO-Paris, ESA and the HEASARC will continue, though efforts will be somewhat lessened at the HEASARC.

A monthly mailing giving a summary of the validation and operational state of the VO will be started.

The Ops group will encourage the development of validation capabilities in the DataLink and VOEvent. The implementation of standalone validators for the simple DAL services would be valuable to developers who currently must deploy a service before it can be validated by the existing web based frameworks.

The Ops group will also continue to explore if and how we might extract and deseminate usage information to understand which protocols are enabling our communities. Understanding the differences in usage patterns may be very helpful in guiding both the development and deployment of standards.


Time Domain

Standard and Processes

Science Priorities

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Topic revision: r4 - 2017-11-13 - FrancoisBonnarel
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