DAL Sessions Schedule - IVOA June 2025 Interoperability Meeting

This current schedule is provisional. It will be finalized before the start of the Interoperability Meeting.

Schedule Summary
Session	Date Time UTC	UTC-04:00	UTC+01:00	UTC+02:00	UTC+08:00	UTC+10:00
Session	Date Time UTC	*Washington DC*	London	Paris	Perth/Beijing	Canberra (AEST)
DAL 1	5 June 13:00	5 June 09:00	5 June 14:00	5 June 15:00	5 June 21:00	5 June 23:00
DAL 2	6 June 13:00	6 June 09:00	6 June 14:00	6 June 15:00	6 June 21:00	6 June 23:00

DAL 1

Time: Thursday June 5 - 09:00-10:30 (College Park local time)

Location: Room 2309

Notes: live notes

Moderator: Joshua, Notetaker: Grégory

Speaker	Title	Abstract	Time
Massimo Costantini (in person)	Spoke3 Archive Infrastructure	In this presentation, I will introduce a project currently under development and funded by the European Union. The infrastructure is designed to provide access to a curated set of Gaia data through a dedicated web portal, as well as via TOPCAT and Python clients. We are implementing custom TAP and DataLink services to support flexible and efficient data access tailored to scientific use cases.	15'+3'
Pat Dowler (remote)	DALI update		15'+3'
Grégory Mantelet (remote)	ADQL PEG grammar and validation		15'+3'
All	ADQL-next discussions

Time: Friday June 6 - 9:00-10:30 (College Park local time)

Location: Room 2309

Notes: live notes

Moderator: Joshua, Notetaker: Grégory

Speaker	Title	Abstract	Time
Stéphane Erard (remote)	Accessing Solar System observations from ESO archive	Solar System observations at ESO would benefit from an access via EPN-TAP, similar to that provided on the HST archive. This is a report on a first test to identify these data in the archive, and difficulties encountered during the process.	15'+5'
Pat Dowler (remote)	TAP-1.2 - OpenAPI and user-tables		15'+5'
Markus Demleitner (in person)	A management interface for persistent TAP uploads	At the Malta interop, I have proposed a TAP extension to support persistent uploads. What was still missing was a management interface that allows users to extend the lifetime of their uploads and create indexes. In this talk, I will fill that gap.	15'+5'
Jose Osinde Lopez (remote)	Evolution of TAP toward a more stateless architecture	TAP is a core component of the ESDC Archives, and to meet growing demands,we aim to evolve it into a more scalable, fault-tolerant, and flexible service. While a fully stateless architecture offers clear benefits, such as easier scaling and improved resilience, some session state must still be maintained. This presentation will focus on the architectural changes required to move towards a stateless TAP implementation while preserving essential stateful functionality.	15'+5'

Topic revision: r7 - 2025-05-23 - GregoryMantelet

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