Luís F. Simões
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lfsim.bsky.social
Luís F. Simões
@lfsim.bsky.social
Lead Data Scientist at mlanalytics.ai – AI in Space researcher – Machine Learning for ESA's Ariel mission (2029) – Formerly at European Space Agency's Advanced Concepts Team and Frontier Development Lab.

https://orcid.org/0000-0002-9164-5626
Reposted by Luís F. Simões
Extreme Learning Machines for Exoplanet Simulations: A Faster, Lightweight Alternative to Deep Learning
https://arxiv.org/pdf/2506.19679
Tara P. A. Tahseen, Luís F. Simões, Kai Hou Yip, Nikolaos Nikolaou, João M. Mendonça, Ingo P. Waldmann.
https://arxiv.org/abs/2506.19679
arXiv abstract link
arxiv.org
June 25, 2025 at 4:33 AM
Reposted by Luís F. Simões
"We are like butterflies who flutter for a day and think it's forever."

- Carl Sagan, in Cosmos (1980)

Visualisation of our galactic cluster 💫😲💫✨💫🌌💫

NASA
December 22, 2024 at 12:34 AM
Reposted by Luís F. Simões
The Ariel team at NeurIPS conference 2024! 😊
December 14, 2024 at 4:26 PM
Tomorrow, at #NeurIPS2024, don't miss the session on the "Ariel Data Challenge 2024: Extracting exoplanetary signals from the Ariel Space Telescope".
neurips.cc/virtual/2024...

Meet the winners of the Kaggle competition, and find out the role ML will play in the @arieltelescope.bsky.social
December 14, 2024 at 1:51 AM
Reposted by Luís F. Simões
🚀 Skada v0.4.0 is out!

Skada is an open-source Python library built for domain adaptation (DA), helping machine learning models to adapt to distribution shifts.
Github: github.com/scikit-adapt...
Doc: scikit-adaptation.github.io
DOI: doi.org/10.5281/zeno...
Installation: `pip install skada`
December 6, 2024 at 3:50 PM
Reposted by Luís F. Simões
Proud to announce our NeurIPS spotlight, which was in the works for over a year now :) We dig into why decomposing aleatoric and epistemic uncertainty is hard, and what this means for the future of uncertainty quantification.

📖 arxiv.org/abs/2402.19460 🧵1/10
December 3, 2024 at 9:45 AM
Welcome to Bluesky @arieltelescope.bsky.social ! 👋

That was a great consortium meeting.
Happy to have been able to help with the local organization.
📸 Group pics from the Oct 2024 Ariel Consortium meeting in Lisbon 👀

It's always wonderful to see everyone come together, with members travelling in from countries all over the world 🤩
December 2, 2024 at 6:00 PM
Reposted by Luís F. Simões
Constructing Impactful Machine Learning Research For Astronomy: Best Practices For Researchers And Reviewers
astrobiology.com/2023/10/cons... #astrobiology #Astrochemistry #astronomy
Constructing Impactful Machine Learning Research For Astronomy: Best Practices For Researchers And Reviewers - Astrobiology
Machine learning has rapidly become a tool of choice for the astronomical community.
astrobiology.com
December 2, 2024 at 12:59 AM
Reposted by Luís F. Simões
I recently shared some of my reflections on how to use probabilistic classifiers for optimal decision-making under uncertainty at @pydataparis.bsky.social 2024.

Here is the recording of the presentation:

www.youtube.com/watch?v=-gYn...
November 27, 2024 at 2:17 PM
Reposted by Luís F. Simões
This high resolution model (1.5km) 3D model of Carbon Dioxide shows its sources of emissions and its transport across the globe.

Full details and credits here: svs.gsfc.nasa.gov/5196/
November 17, 2024 at 6:07 PM
Join us for the first #ESA Datalabs Hackathon.

Develop #MachineLearning models to study #Exoplanets, for the #ArielTelescope!

📍 Where: European Space Astronomy Centre (ESA-ESAC), near Madrid 🇪🇸
📅 When: 16-17 January 2025
👉 Register by 15 December 2024: www.ariel-datachallenge.space/esa-datalabs...
November 21, 2024 at 10:39 AM
Reposted by Luís F. Simões
Crazy interesting paper in many ways:
1) Voice-enabled GPT-4o conducted 2 hour
interviews of 1,052 people
2) GPT-4o agents were given the transcripts & prompted to simulate the people
3) The agents were given surveys & tasks. They achieved 85% accuracy in simulating interviewees real answers!
November 19, 2024 at 12:18 AM
Reposted by Luís F. Simões
This is one really big area of @ec-euclid.bsky.social Legacy Science that absolutely needs human eyes. The very best machine learning gravitational lens finders make lens-candidate lists that are just 10% pure, ie 1 lens comes with 9 false positives. We need your 👀!
🔭🧪

bsky.app/profile/elsa...
We're delighted to announce a new citizen science project: SPACE WARPS - ESA EUCLID. Browse the @ec-euclid.bsky.social data and be the first to discover warps in space and time! www.zooniverse.org/projects/apr... 🧪🔭
Zooniverse
The Zooniverse is the world’s largest and most popular platform for people-powered research.
www.zooniverse.org
November 19, 2024 at 10:23 PM