COCI N-Triples dataset of all the citation data OpenCitations 2020 <div>This dataset contains all the citation data (in N-Triples format) included in COCI, released on the 21st of January 2020. In particular, any citation in the dataset, defined as an individual of the class <i>cito:Citation</i>, includes the following information:</div><div><ul><li><b>[citation IRI]</b> the Open Citation Identifier (OCI) for the citation, defined in the final part of the URL identifying the citation (https://w3id.org/oc/index/coci/ci/[OCI]);</li><li><b>[property "cito:hasCitingEntity"]</b> the citing entity identified by its DOI URL (http://dx.doi.org/[DOI]);</li><li><b>[property "cito:hasCitedEntity"]</b> the cited entity identified by its DOI URL (http://dx.doi.org/[DOI]);</li><li><b>[property "cito:hasCitationCreationDate"]</b> the creation date of the citation (i.e. the publication date of the citing entity);</li><li><b>[property "cito:hasCitationTimeSpan"]</b> the time span of the citation (i.e. the interval between the publication date of the cited entity and the publication date of the citing entity);</li><li><b>[type "cito:JournalSelfCitation"]</b> it records whether the citation is a journal self-citations (i.e. the citing and the cited entities are published in the same journal);</li><li><b>[type "cito:AuthorSelfCitation"]</b> it records whether the citation is an author self-citation (i.e. the citing and the cited entities have at least one author in common).</li></ul></div><div>This version of the dataset contains:<br><ul><li>624,183,532 citations;</li><li>53,464,457 bibliographic resources.</li></ul></div>The size of the zipped archive is 29.6 GB, while the size of the unzipped N-Triples file is 665 GB.<div><br></div><div>Additional information about COCI can be retrieved in the <a href="http://opencitations.net/index/coci">official webpage</a> and in the <a href="https://opencitations.wordpress.com/2018/07/03/the-crossref-open-citation-index-coci">introductory blog post</a> in the OpenCitations blog.<br></div>