GraphNeT Workshop V - Next Steps

18 Aug 2025, 09:00 → 19 Aug 2025, 16:45 Europe/Copenhagen

Aud. B (Niels Bohr Institute)

Troels Petersen (Niels Bohr Institute)

Welcome to the fifth workshop in the GraphNeT workshop series. The workshop is the opportunity for the developers and users to meet and over two days discuss the next steps in the GraphNeT adventure.

There are several recent ML development related to GraphNeT (transformers being one of them), and many other challenges and opportunities awaits us. The workshop is meant to be a discussion of these, with mutual exchange of experience, work, ideas, and results.

The workshop is free, and we will provide snacks, drinks, etc. during the workshop. Copenhagen should be easy to reach by plane and train. We recommend that you book accomodation early (a cheap option is DanHostel in Copenhagen, which is about a 15 minute bike ride from the Niels Bohr Institute).

Note that the three days following the workshop, the Niels Bohr Institute is hosting the HAMLET conference on using ML for Physics research generally. Thursday the 21st of August in the afternoon, there will be a heritage train trip to Kronborg Castle in Helsingør, that participants of the Workshop are free to join. So please do stay, as it is a true feast in the company of the like-minded.

NBIatBlegdamsvej17_Overview.pdf

Monday 18 August

09:00 Beginning with Breakfast and Badges

1 Welcome and Framing of workshop

Speaker: Troels Petersen (Niels Bohr Institute)

Cph_GraphNetWorkshop5_Introductions_17aug2025.pdf

2 GraphNeT: Status and Plans

Speaker: Rasmus Ørsøe (TUM)

2.Rasmus_5th GraphNeT Workshop.pdf

3 GraphNeT: Transformers and next steps

Speaker: Iván Mozún Mateo (LPC Caen)

3.Ivan_GraphNeT_slides_2025_2.pdf

10:45 Break

4 Technical requirements to reconstruction software in IceCube

Speaker: Philipp Soldin (RWTH Aachen University)

GraphNetWorkshop2025_Soldin.pdf

5 GraphNeT as seen from a Magic point of view

Speaker: Jarred Green (Max Planck Institute for Physics)

GraphNeT as seen from Magic

12:15 Lunch Break

6 Takeaways from training a foundation model for IceCube

Speakers: Inar Timiryasov (NBI), Jean-Loup Tastet (DIKU)

6.Inar_2024-08-18-graphnet-polarbert.pdf

7 All the technicalities: Databases, MC labels, and such stuff

Speaker: Aske Rosted (Chiba University)

7.Aske_GraphNet Workshop Presentation.pdf

8 Introduction to Hackathon & Implementation discussion

Speaker: Troels Petersen (Niels Bohr Institute)

14:30 Break

9 Workshop Hackathon I

Communal coding, GitHub PR-training, discussions, and sharing.

18:30 Social dinner (Troels' apartment in Willemoesgade 54 3.th, which is walking distance from NBI)

Willemoesgade 54, 3.th. ("Borgerskabet")

Tuesday 19 August

09:00 Breakfast

10 State of the Art in AstroPhysics research

An overview of AstroPhysics with a focus on the role of neutrino telescopes

Speaker: Markus Ahlers (NBI)

Ahlers_GraphNeT_2025.pdf

11 GraphNeT as seen from an analyser and software perspective

Speaker: Tom Stuttard (Niels Bohr Institute, IceCube)

10:30 Break

12 GraphNeT from a student user point of view

Speaker: Cyan Yong Ho Jo (NBI)

GraphNeT_Talk_Aug2025.pdf

13 GraphNeT seen from a larger (KM3net) perspective

Speaker: Antonin Vacheret (LPC Caen)

10_Antonin_GraphNeT-Workshop-MLnuPhyView.pdf

12:00 Lunch Break

14 GraphNeT Issues and Wishes

Speaker: Jorge Prado González (KM3NeT - IFIC/CSIC - Universidad de Valencia)

9.Jorge_GraphNeT_workshop_Cph2025.pdf

15 GraphNeT Community Discussion

The following questions are not exhaustive and simply meant to inspire discussion.
1. Which features should GraphNeT have?
2. How should we collaborate on GraphNeT?
3. Which results should GraphNeT contribute to?
4. How do we obtain these results?

Speakers: Iván Mozún Mateo, Jorge Prado González, Rasmus Ørsøe (TUM)

14:30 Break

16 Workshop Hackathon II

With focus on the 4 questions from the communal discussion

17 Summary and Organisation of Plans