Romain Lerallut 💙💛 🌻 (@rlerallut) 's Twitter Profile
Romain Lerallut 💙💛 🌻

@rlerallut

R&D VP, head of @CriteoAILab, RecSys fan. #MachineLearning at scale to make advertising useful and relevant. Learn on petabytes, predict in milliseconds.

ID: 2985654401

linkhttp://ailab.criteo.com/ calendar_today19-01-2015 12:11:56

6,6K Tweet

1,1K Followers

1,1K Following

Criteo AI Lab (@criteoailab) 's Twitter Profile Photo

🔴 New research card is out! 🔴 This Research Card introduces a novel Inverse Graphics Autoencoder (IG-AE) that creates a 3D-aware latent space compatible with Neural Radiance Fields (NeRFs) 🤯 Read more 👇 techblog.criteo.com/bringing-nerfs…

Aerospike (@aerospikedb) 's Twitter Profile Photo

Join Maxime Brugidou, VP Engineering, as he reveals how #Criteo achieved an 80% reduction in carbon footprint, improved performance by 300%, and optimized their platform with #Aerospike—balancing efficiency and #sustainability. Register here: ecs.page.link/Qk6GX

Join Maxime Brugidou, VP Engineering, as he reveals how #Criteo achieved an 80% reduction in carbon footprint, improved performance by 300%, and optimized their platform with #Aerospike—balancing efficiency and #sustainability.

Register here: ecs.page.link/Qk6GX
Criteo Engineering (@criteoeng) 's Twitter Profile Photo

Wrapping up at DevoxxFR (🦋 devoxxfr.bsky.social), but our journey is far from over! Still haven't stopped by our booth? More than sweets and treats, we have an awesome team waiting to meet you! 🚀 Also, keep an eye out for our Criteo speakers taking the stage today! Enjoy, learn, and share! #DevoxxFR

Wrapping up at <a href="/DevoxxFR/">DevoxxFR (🦋 devoxxfr.bsky.social)</a>, but our journey is far from over!
Still haven't stopped by our booth? More than sweets and treats, we have an awesome team waiting to meet you! 🚀 
Also, keep an eye out for our <a href="/criteo/">Criteo</a> speakers taking the stage today!
Enjoy, learn, and share! #DevoxxFR
ACM RecSys (@acmrecsys) 's Twitter Profile Photo

Friendly reminder to get working on those industry submissions! 😈 Deadline May 15! More details 👉 recsys.acm.org/recsys25/call/… #RecSys2025

LightOn (@lightonio) 's Twitter Profile Photo

🌐 From Matching to Reasoning — Retrieval just grew a brain. LightOn introduces Reason-ModernColBERT, a State-of-the-Art multi-vector model purpose-built for the era of Deep Research — where matching isn’t enough, and true insight demands reasoning. Built on #ModernBERT and

🌐 From Matching to Reasoning — Retrieval just grew a brain.

LightOn introduces Reason-ModernColBERT, a State-of-the-Art multi-vector model purpose-built for the era of Deep Research — where matching isn’t enough, and true insight demands reasoning.

Built on #ModernBERT and
Criteo AI Lab (@criteoailab) 's Twitter Profile Photo

🔴 A new Research Card is out! 🔴 Check it out to learn more about improving consistency models with generator-augmented flows. This could mean delivering more personalized ads in real-time - boosting engagement and cutting infrastructure costs 🤯 techblog.criteo.com/improving-cons…

Antoine Chaffin (@antoine_chaffin) 's Twitter Profile Photo

You can just continue pre-train things ✨ Happy to announce the release of BioClinical ModernBERT, a ModernBERT model whose pre-training has been continued on medical data The result: SOTA performance on various medical tasks with long context support and ModernBERT efficiency

You can just continue pre-train things ✨
Happy to announce the release of BioClinical ModernBERT, a ModernBERT model whose pre-training has been continued on medical data
The result: SOTA performance on various medical tasks with long context support and ModernBERT efficiency
Guillaume Salha-Galvan (@gsalhagalvan) 's Twitter Profile Photo

Interested in LLMs & RecSys? The CFP is out for #EARL2025, our second workshop on Evaluating and Applying #RecommenderSystems with #LLMs. 📍 Event co-located with #RecSys2025 ACM RecSys this September in Prague. We warmly welcome your submissions! 🔗 earl-workshop.github.io

Interested in LLMs &amp; RecSys?

The CFP is out for #EARL2025, our second workshop on Evaluating and Applying #RecommenderSystems with #LLMs.

📍 Event co-located with #RecSys2025 <a href="/ACMRecSys/">ACM RecSys</a> this September in Prague.

We warmly welcome your submissions!

🔗 earl-workshop.github.io
Criteo AI Lab (@criteoailab) 's Twitter Profile Photo

🔴 A new Research Card is out! 🧪 Pareto-Optimality, Smoothness, and Stochasticity in Learning-Augmented One-Max-Search 🔎 A rule for choosing when to sell/buy an asset when facing a sequence of prices. #AdTech Read our article to discover more! 👇 techblog.criteo.com/pareto-optimal…

Francis Bach (@bachfrancis) 's Twitter Profile Photo

Big thanks to the COLT 2025 organizers for an awesome event in Lyon! Here are the slides from my keynote this morning in case you’re curious about the references I mentioned: di.ens.fr/~fbach/fbach_o…

Criteo Engineering (@criteoeng) 's Twitter Profile Photo

Once again, we participated in DevoxxFR (🦋 devoxxfr.bsky.social), an important milestone every year to support the tech community across France. 🇫🇷 Check our contribution with four talks, showcasing our expertise across infrastructure, data engineering, CI/CD, and frontend. techblog.criteo.com/inside-devoxx-…

Héloïse Fayet (@hfayet) 's Twitter Profile Photo

🚨 France’s 2025 National Strategic Review is out! With 102 mentions of “nuclear” and 43 of “deterrence” over 100 pages, it offers important clarifications on French nuclear doctrine, ongoing adaptations, and threat assessments (amongst other topics). A first look 🧵

🚨 France’s 2025 National Strategic Review is out! 
With 102 mentions of “nuclear” and 43 of “deterrence” over 100 pages, it offers important clarifications on French nuclear doctrine, ongoing adaptations, and threat assessments (amongst other topics).
A first look 🧵
ACM RecSys (@acmrecsys) 's Twitter Profile Photo

The program of this year's RecSys Summer School has been announced! To celebrate, we are briefly reopening applications. So have a look at our program recsys-lab.at/rsss2025/sched… and don't delay!

Crémieux (@cremieuxrecueil) 's Twitter Profile Photo

One concept I wish more people were aware of is the Tocqueville Effect. Named for Alexis de Tocqueville, this concept describes the curious phenomenon by which people become more frustrated as problems are resolved: As life gets better, people think it's getting worse!🧵

One concept I wish more people were aware of is the Tocqueville Effect.

Named for Alexis de Tocqueville, this concept describes the curious phenomenon by which people become more frustrated as problems are resolved:

As life gets better, people think it's getting worse!🧵
ACM RecSys (@acmrecsys) 's Twitter Profile Photo

The 2025 ACM Conference on Recommender Systems is around the corner. This is your last chance to register for the Standard fee! Join the largest community of recommender system researchers this year in Prague, Czech Republic. Register for #RecSys2025 via the link in the reply👇

The 2025 ACM Conference on Recommender Systems is around the corner. This is your last chance to register for the Standard fee!

Join the largest community of recommender system researchers this year in Prague, Czech Republic. Register  for #RecSys2025 via the link in the reply👇
Criteo Engineering (@criteoeng) 's Twitter Profile Photo

🔴 New tech article published! Have you ever deployed a new version of your app in Kubernetes and noticed errors briefly spiking during rollout? 👀 Check Alik's article about "Importance of Graceful Shutdown in #Kubernetes" Kubernetes #k8s medium.com/criteo-enginee…

Criteo Engineering (@criteoeng) 's Twitter Profile Photo

#KernelRecipes 2025 takes place in Paris from Monday! As sponsors, we’re honored to contribute to this vibrant space where deep technical knowledge meets genuine community spirit. Let’s keep building, learning, and sharing. #Linux #OpenSource

#KernelRecipes 2025 takes place in Paris from Monday!
As sponsors, we’re honored to contribute to this vibrant space where deep technical knowledge meets genuine community spirit.
Let’s keep building, learning, and sharing. 
#Linux #OpenSource
flavianv (@flavianv) 's Twitter Profile Photo

✨ CONSEQUENCES ’25 @ #RecSys2025 was a full house — 200+ attendees! 🚀 Criteo AI Lab had a record number of 5 accepted papers, with Otmane Sakhi , Alexandre Gilotte & David Rohde presenting our latest work on performance measurement & optimization in RecSys. #Criteo #RecSys2025

✨ CONSEQUENCES ’25 @ #RecSys2025 was a full house — 200+ attendees!
🚀 Criteo AI Lab had a record number of 5 accepted papers, with <a href="/OtmaneSakhi/">Otmane Sakhi</a> , Alexandre Gilotte &amp; David Rohde presenting our latest work on performance measurement &amp; optimization in RecSys.

#Criteo #RecSys2025