This section describes the aggregation workflow used to gather the citation material from OpenCitations and the relative mapping towards the OpenAIRE Graph.
[OpenCitations](https://opencitations.net/) is an independent not-for-profit infrastructure organization for open scholarship dedicated to the publication of open bibliographic and citation data.
OpenCitations releases datasets containing citation data as described [here](https://opencitations.net/datasets). In particular, the [COCI](https://opencitations.net/index/coci) dataset contains the DOI-to-DOI citations from Crossref.