Project Lighthouse
Measure and evaluate discrimination to take additional action against it.

Project Lighthouse is Airbnb’s initiative to measure and evaluate discrimination on its platform in the US so it can take additional action against it. We strive to open-source the algorithms and methodologies supporting this effort.
Blog Posts
Project Lighthouse — Part 1: P-sensitive k-anonymity
Project Lighthouse — Part 2: Measurement with anonymized data
Project Lighthouse — Part 3: Introducing project-lighthouse-anonymize