COCI, the OpenCitations Index of Crossref open DOI-to-DOI references | OpenCitations

In this blog post, we introduce COCI, the OpenCitations Index of Crossref open DOI-to-DOI references1, our first open citation index, in which we have applied the concept of citations as first-class data entities to index the contents of one of the major open databases of scholarly citation information, namely Crossref, and to render and make available this information in machine-readable RDF.