« (…) The fourth release of COCI contains more than 655 million DOI-to-DOI citation links between more than 55 million bibliographic entities. The additional 31 million citations added in the new release come from the reprocessing of previous dumps of Crossref data. (…) »
« (…) We are now proud to announce the third release of COCI, which contains more than 624 million DOI-to-DOI citation links coming from both ‘the ‘Open’ and the ‘Limited’ sets of Crossref reference data. This represents an increase of 40% in the number of indexed citations, compared with the second…
« In this paper, 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, and it contains more than 445…
« Wouldn’t it be great if you could look up the green OA status of any journal article? What if you could easily find out, for any article, which version you can expose on an open repository, exactly when its embargo ends, and which post-embargo licence then applies?
Jisc and Crossref…
« In this paper, 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, and it contains more than 445 million DOI-to-DOI…
« Identifying and monitoring Open Access (OA) publications might seem a trivial task while practical efforts prove otherwise. Contradictory information arise often depending on metadata employed. We strive to assign OA status to publications in Web of Science (WOS) and Scopus while complementing it with different sources of OA information to…
« (…) In this paper, we analyse the current availability of open citations data in one particular dataset, namely COCI (the OpenCitations Index of Crossref open DOI-to-DOI citations; http://opencitations.net/index/coci) provided by OpenCitations. The results of these analyses show a persistent gap in the coverage of the currently available…
« As introduced in a previous blog post, COCI is the OpenCitations Index of Crossref open DOI-to-DOI references, all released as CC0 material. It is our first OpenCitations Index of open citations, in which we have applied the concept of citations as
« L’agence Crossref, partenaire d’OpenEdition pour l’enregistrement des DOI (Digital Object Identifier) attribués aux ressources numériques de ses plateformes, vient de passer le cap des 100 millions de DOI enregistrés. OpenEdition, qui a acquis plus de 200 000 DOI, se félicite de cette réussite qui…
« Today the CLOCKSS Archive – the long-term preservation service for scholarly content — announced that the CLOCKSS system will preserve all Crossref metadata.
The Crossref system contains bibliographic information for 97 million scholarly articles and book content, and growing by ~2 million each year. Crossref is the underlying infrastructure for…
