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Summary of Bandit-feedback Online Multiclass Classification: Variants and Tradeoffs, by Yuval Filmus et al.


Bandit-Feedback Online Multiclass Classification: Variants and Tradeoffs

by Yuval Filmus, Steve Hanneke, Idan Mehalel, Shay Moran

First submitted to arxiv on: 12 Feb 2024

Categories

  • Main: Machine Learning (cs.LG)
  • Secondary: Machine Learning (stat.ML)

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GrooveSquid.com Paper Summaries

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Summary difficulty Written by Summary
High Paper authors High Difficulty Summary
Read the original abstract here
Medium GrooveSquid.com (original content) Medium Difficulty Summary
In this paper, researchers investigate the trade-offs between bandit feedback and full information in multiclass classification tasks within an online setting. They examine how an adaptive adversary can amplify losses compared to an oblivious one, as well as the impact of randomized learners on reducing loss compared to deterministic ones. The study focuses on the mistake bound model, providing nearly tight answers to these questions.
Low GrooveSquid.com (original content) Low Difficulty Summary
Machine learning researchers are trying to figure out what happens when we use bandit feedback instead of getting all the information in a multiclass classification task that’s happening online. They’re looking at how an attacker who can adapt to our moves can make things worse, and also seeing if using random choices helps us avoid mistakes.

Keywords

* Artificial intelligence  * Classification  * Machine learning