Stephan Rabanser

@stvrb.bsky.social

PhD candidate @utoronto.ca and @vectorinstitute.ai | Soon: Postdoc @princetoncitp.bsky.social‬ | Reliable, safe, trustworthy machine learning.

🏅 Very excited to share that my recent Google internship project on model cascading has received the 𝗕𝗲𝘀𝘁 𝗣𝗼𝘀𝘁𝗲𝗿 𝗔𝘄𝗮𝗿𝗱 at the 𝘛𝘛𝘖𝘋𝘓𝘦𝘳-𝘍𝘔 𝘞𝘰𝘳𝘬𝘴𝘩𝘰𝘱 @ 𝘐𝘊𝘔𝘓! Thanks a lot to the organizers for setting up this amazing workshop!

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📣 I will be at #ICML2025 in Vancouver next week to present two main conference papers (including one oral paper ✨) and two workshop papers! Say hi if you are around and want to chat about ML uncertainty & reliability! 😊 🧵 Papers in order of presentation below:

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📢 New ICML 2025 paper! Confidential Guardian: Cryptographically Prohibiting the Abuse of Model Abstention 🤔 Think model uncertainty can be trusted? We show that it can be misused—and how to stop it! Meet Mirage (our attack💥) & Confidential Guardian (our defense🛡️). 🧵1/10

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