COCI N-Triples dataset of all the citation data

This dataset contains all the citation data (in N-Triples format) included in COCI, released on 23 January 2023. In particular, any citation in the dataset, defined as an individual of the class cito:Citation, includes the following information:

• [citation IRI] 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]);
• [property "cito:hasCitingEntity"] the citing entity identified by its DOI URL (http://dx.doi.org/[DOI]);
• [property "cito:hasCitedEntity"] the cited entity identified by its DOI URL (http://dx.doi.org/[DOI]);
• [property "cito:hasCitationCreationDate"] the creation date of the citation (i.e. the publication date of the citing entity);
• [property "cito:hasCitationTimeSpan"] 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);
• [type "cito:JournalSelfCitation"] it records whether the citation is a journal self-citations (i.e. the citing and the cited entities are published in the same journal);
• [type "cito:AuthorSelfCitation"] 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).

This version of the dataset contains:

• 1,463,920,523 citations;
• 77,045,952 bibliographic resources.

The size of the zipped archive is 73.1 GB, while the size of the unzipped N-Triples file is 1.6 TB.

Additional information about COCI are available at _{official webpage}.