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Stefan Grafberger

@stefan-grafberger.com
223 followers 236 following 7 posts

PhD Student at BIFOLD & TU Berlin, researching data management for ML. Previously worked with UvA, Microsoft GSL, Amazon Research, Oracle Labs, and others. stefan-grafberger.com

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Stefan Grafberger @stefan-grafberger.com · 02/09/2025
Very excited to share that I've started as a Software Engineer at Snowflake! 🥳 I’m also wrapping up my PhD: this week I’m at VLDB in London to present the last demo paper from my time as PhD student, and on September 17 I’ll defend my PhD in Amsterdam. Really looking forward to this next chapter!
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Madelon Hulsebos @madelonhulsebos.bsky.social · 16/06/2025
Join us for discussions and talks on data management aspects for end-to-end ML on 27 June at @deem-workshop.bsky.social in Berlin. Keynotes by @pinartozun.bsky.social and @gaelvaroquaux.bsky.social 🤩 Check the full schedule deem-workshop.github.io#schedule & proceedings dl.acm.org/doi/proceedi...
dl.acm.org
Proceedings of the Workshop on Data Management for End-to-End Machine Learning | ACM Conferences
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Stefan Grafberger @stefan-grafberger.com · 30/05/2025
Our demo "mlidea: Interactively Improving ML Data Preparation Code via 'Shadow Pipelines'" was accepted at VLDB! 🥳 We demo suggestions for ML pipelines, similar to IntelliJ code inspections or Grammarly suggestions youtu.be/ePGm1J6S2qk Joint work w/ @mersault.bsky.social @p-groth.bsky.social
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DEEM Workshop @ SIGMOD @deem-workshop.bsky.social · 15/03/2025
📢 Deadline extension for DEEM 2025 @sigmod2025.bsky.social! Following requests, we're extending the submission deadline to April 1, 5pm Pacific Time. More info at: deem-workshop.github.io
deem-workshop.github.io
DEEM: Workshop on Data Management for End-to-End Machine Learning @ ACM SIGMOD 2025
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Stefan Grafberger @stefan-grafberger.com · 07/03/2025
Our vision "Towards Regaining Control over Messy ML Pipelines" was accepted for the DAIS workshop at ICDE! 🥳 Initial experiments show LLMs are promising for extracting declarative query plans from messy ML code. Joint work w/ @guangchen811.bsky.social @oovcharenko.bsky.social @mersault.bsky.social
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Stefan Grafberger @stefan-grafberger.com · 07/02/2025
Please help spread the word by reposting! We've just created the official DEEM Workshop account: @deem-workshop.bsky.social
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Sebastian @mersault.bsky.social · 05/02/2025
We have a **Postdoc opening** in Berlin on Responsible Data Engineering! This is a fully-funded position with salary level E14 at the newly founded DEEM Lab, as part of @bifold.berlin . Details available at deem.berlin#jobs-57624
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BIFOLD Berlin Institute for the Foundations of Learning and Data @bifold.berlin · 22/01/2025
@stefan-grafberger.com, a Ph.D. student in the DEEM Lab at BIFOLD is among the author team, which presented the paper "Towards Query Optimizer as a Service (QOaaS) in a Unified LakeHouse Platform: Can One QO Rule Them All? at the #CIDR2025. #QOaaS #CIDR www.bifold.berlin/news-events/...
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Sebastian @mersault.bsky.social · 06/01/2025
Interested in a *PhD in Data Engineering* in Berlin? Our institute has several openings for PhD positions as part of its graduate school, see the post below! And check out the following page for details on how to work with the DEEM Lab as part of the graduate school deem.berlin#jobs-189196
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Stefan Grafberger @stefan-grafberger.com · 22/11/2024
Our CIDR'25 paper "Towards Query Optimizer as a Service (QOaaS) in a Unified LakeHouse Ecosystem: Can One QO Rule Them All?" is now on ArXiv! Excited to have been a part of this project during my internship at Microsoft GSL! arxiv.org/pdf/2411.13704
arxiv.org
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Sebastian @mersault.bsky.social · 15/11/2024
Pls repost: We, the DEEM Lab at TU Berlin, are hiring a postdoctoral researcher in data engineering for machine learning. Details available at: deem.berlin#jobs-57624 This fully-funded position is part of the Berlin Institute for the Foundations of Learning and Data (BIFOLD). #databs #datasky
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