About the data

Overton maintains the ari.org.uk database, in partnership with the Government Office of Science, the ESRC and Transforming Evidence.

This is intended as general, informal guidance for how to reference data from Overton. There is a wide range of...

While Overton takes measure to not index duplicate policy documents, there are some situations in which duplicates occur in the database. This page will cover these situations.

Overton generates descriptions and themes for all documents within our database using a large language model (LLM). We run these...

Overton Index uses a comprehensive policy source taxonomy to classify all of its sources to help refine and analyse search...