# Learning Reductions that Really Work

arXiv: https://arxiv.org/abs/1502.02704 · HTML: https://mlsanity.com/paper/1502.02704/

## Key facts

- Cited by 3 papers in the map (data through 14 Oct 2026).
- First posted on arXiv 9 Feb 2015.

## Built on by (most cited first, 3 of 3)

- [Why Language Models Hallucinate](https://mlsanity.com/paper/2509.04664/) (2025)
- [Designing Machine Learning Toolboxes: Concepts, Principles and Patterns](https://mlsanity.com/paper/2101.04938/) (2021)
- [Reduction Techniques for Survival Analysis](https://mlsanity.com/paper/2508.05715/) (2025)

## Abstract (arXiv)

We provide a summary of the mathematical and computational techniques that have enabled learning reductions to effectively address a wide class of problems, and show that this approach to solving machine learning problems can be broadly useful.
