GWS Sessions Schedule - IVOA May 2023 Interoperability Meeting

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Schedule Summary
Session DateTime CEST DateTime UTC UTC-07:00 UTC-04:00 UTC+02:00 UTC+08:00 UTC+10:00
Victoria BC/Pasadena Washington DC Bologna Perth/Beijing Canberra
GWS 1 9 May 14:00 CEST 9 May 12:00 UTC 9 May 05:00 9 May 08:00 9 May 14:00 9 May 20:00 9 May 22:00
GWS 2 11 May 09:00 CEST 11 May 07:00 UTC 11 May 00:00 11 May 03:00 11 May 09:00 11 May 15:00 11 May 17:00

Notes and session video recording are linked below each session schedule table.


Time: Tuesday 9 May 14:00 CEST [session #7]

Speaker Title Time Time Material Abstract
Giuliano Taffoni GWS Status and perspectives 5' 14:00 PDF Introduction to the status of the GWS. Activity done during the last year.
Séverin Gaudet Role of an Execution Planner in an SKA Regional Centre Network Demonstrator 12' 14:05 PDF The mini-SRCNet Demonstrator proposes to implement an interoperability model for data centres participating in the SKA Regional Centre Network and to understand the necessary APIs and services required to meet the goals of location-agnostic services for users.
Simon O'Toole The Australian Data & Computing Landscape 12' 14:20 PDF An overview of the complex data and computing environment in Australia and some of the challenges to overcome for Science Platforms
Stefano Alberto Russo Software containers and reproducibility 12' 14:30 PDF Software containers and reproducibility; what can IVOA learn from it?
Patrick Dowler OIDC SSO in SRCNet prototypes 12' 14:40 PDF This is a short review of prototype work to integrate CADC data management services with an off-the-shelf OpenID Connect (OIDC) authentication and authorization (A&A) system. The short term goals are for services to accept access tokens provided by the OIDC provider and to understand how command-line tools and automated systems could use tokens to make authenticated calls to services.
Dave Morris Execution Planner update 10' 14:55 PDF Changes to the design from new use cases. Adding time and date ranges, "when can I do this". Simplifying the API and using UWS for execution
Baptiste Cecconi EXTRACT-TASKA: orchestration, data mining and decision making in radio astronomy 10' 15:05 PDF The EXTRACT project aims at building a compute continuum framework for extreme datamining. Radio astronomy is one of the selected use cases, with the NenuFAR instrument, an SKA pathfinder, focusing on transient astrophysics. The result of the project will be a computing framework enabling distributed computing, orchestrated across cloud infrastructures, from the raw data production to the public release of the derived data.
Stéphane Aicardi EOSC computational service 5' 15:15 pdf In the context of VESPA, I have built a model of a computational service using the UWS protocol and the EOSC cloud. The objective is to make the best use of the EOSC resources by activating or deactivating virtual computing machines according to the requested load.
All Discussion 5' 15:20   General discussion following the talks


Time: Thursday 11 May 09:00 CEST [session #13]

Speaker Title Time Time Material Abstract
Dave Morris Introduction 5' 09:00 - Updating the IVOA specifications
Frossie Economou A “what-if?” VO service implementation 20' 09:05 - For historical reasons, Rubin Science Platform had a mature web services architecture before starting to implement many of the required VO-compliant APIs.
This made the gaps between the our common development patterns and the ones required to implement the standards particularly noticeable.
We have talked about these issues before in the IVOA context (see also but sometimes these arguments come across as theoretical, or can end up being dominated by format arguments (e.g., xml vs json).
In order to demonstrate more concretely the issues we have raised, we have done a what-if implementation alongside our standard compliant SODA service to highlight some of the divergence with current web services practice.
We would like to prompt a discussion on how the standards can change not to solve any specific concern as a one-off, but in order to be able to evolve again, and again.
ALL Discussion 60' 09:25  

Topic attachments
I Attachment History Action Size Date Who Comment
PDFpdf 2023-05_IVOA_GWS.pdf r1 manage 2076.1 K 2023-05-09 - 09:27 SeverinGaudet  
PDFpdf 20230509-ExecPlanner.pdf r1 manage 421.4 K 2023-05-09 - 10:50 DaveMorris  
PDFpdf Software_containers_and_reproducibility_what_can_IVOA_learn_from_it.pdf r1 manage 518.0 K 2023-05-09 - 09:09 DaveMorris  
PDFpdf StephaneAicardi_IVOAMay2023.pdf r2 r1 manage 382.2 K 2023-05-17 - 13:44 StephaneAicardi Fix an error in slide 6
PDFpdf The_Australian_Data_and_Computing_landscape.pdf r2 r1 manage 18899.3 K 2023-05-09 - 09:41 SimonOToole  
PDFpdf extract-bcecconi-gws-ivoa-2023-05.pdf r2 r1 manage 2822.3 K 2023-05-09 - 12:15 BaptisteCecconi New version
PDFpdf gws-srcnet-auth.pdf r1 manage 151.4 K 2023-05-08 - 21:14 PatrickDowler  
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Topic revision: r23 - 2023-05-17 - StephaneAicardi
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