# Papers

The Dervish algorithms are based on two papers by Bex et al.:

- **CRX** — [*Learning Deterministic Regular Expressions for the Web*](https://doi.org/10.1145/1806907.1806911) (TODS 2010)
- **iDRegEx** — [*Simplifying XML Schema: Single-Type Approximations of Regular Expressions*](https://arxiv.org/abs/1004.2372) (arXiv:1004.2372)
