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Wednesday, October 16 • 11:30am - 12:00pm
COCI, the OpenCitations Index of Crossref open DOI-to-DOI citations

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We present COCI, the OpenCitations Index of Crossref open DOI-to-DOI citations (http://opencitations.net/index/coci). COCI is the first open citation index created by OpenCitations, in which we have applied the concept of citations as first-class data entities. It contains more than 445 million DOI-to-DOI citation links derived from the data available in Crossref. These citations are described in RDF by means of the new extended version of the OpenCitations Data Model (OCDM). We introduce the workflow we have developed to create these data, and also show the additional services that facilitate the access to and querying of these data by means of different access points: a SPARQL endpoint, a REST API, bulk downloads, Web interfaces, and direct access to the citations via HTTP content negotiation. Finally, we present statistics regarding the use of COCI citation data and we introduce several projects that have already started to use COCI data for different purposes.

Speakers
IH

Ivan Heibi

University of Bologna
avatar for David Shotton

David Shotton

Director, OpenCitations
David Shotton is (with Silvio Peroni) Director of OpenCitations, a founding member of the Initiative for Open Citations, and developer of the SPAR (Semantic Publishing and Referencing) Ontologies, a suite of OWL-DL ontologies to serve the academic publishing domain. Originally a... Read More →


Wednesday October 16, 2019 11:30am - 12:00pm
Plenary Room