Category Archives: Data publication

More than 733M citations now available in COCI

We have published the bi-monthly release of COCI, the OpenCitations Index of Crossref open DOI-to-DOI citations. In this latest release (dated 6 September 2020), we extended COCI with more than 11 million additional citations. Now, COCI contains more than 733 million DOI-to-DOI citation links between more than 59.4 million bibliographic entities. Continue reading

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OpenCitations updates: interviews, outreach, research positions, citations

Several things and events happened during the past month and a half which involved us directly as a participant. Here we introduce some of the most significant ones: a) our interview during a Fireside Chat at the Open Publishing Fest; b) the SCOSS presentation of a poster about us during LIBER 2020; c) the two new short-term open positions (application deadline: 23 July 2020) for our Wellcome Trust funded project; d) the new release of COCI bringing the overall amount of open citations available in our dataset to more than 721 million. Continue reading

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COCI has surpassed 700M citations

We are excited to share that COCI, the OpenCitations Index of Crossref open DOI-to-DOI citations, was on 12 May 2020 extended with more than 47 million additional citations, and has reached a total number of more than 702 million DOI-to-DOI citation links between more than 58 million bibliographic entities. Continue reading

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OpenCitations described

OpenCitations is an infrastructure organization for open scholarship dedicated to the publication of open bibliographic and citation data. We at OpenCitations are proud to announce the publication, in the first issue of Quantitative Science Studies, of a canonical paper in … Continue reading

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More than 624 million citations now available on COCI

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. Continue reading

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COCI, the OpenCitations Index of Crossref open DOI-to-DOI citations

COCI, the OpenCitations Index of Crossref open DOI-to-DOI citations Author(s) Ivan Heibi – ivan.heibi2@unibo.it Digital Humanities Advanced Research Centre (DHARC), Department of Classical Philology and Italian Studies, University of Bologna, Bologna, Italy Silvio Peroni – silvio.peroni@unibo.it Digital Humanities Advanced Research … Continue reading

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Crowdsourcing open citations with CROCI

Crowdsourcing open citations with CROCI An analysis of the current status of open citations, and a proposal Author(s) Ivan Heibi – ivan.heibi2@unibo.it Digital Humanities Advanced Research Centre (DHARC), Department of Classical Philology and Italian Studies, University of Bologna, Bologna, Italy … Continue reading

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The OpenCitations Enhancement Project – final report

The OpenCitations Enhancement Project Final report for the Alfred P. Sloan Foundation Report period: 1st May 2017 – 30 November 2018. Report written: 30th December 2018 Background OpenCitations (http://opencitations.net) is a scholarly infrastructure organization dedicated to open scholarship and the … Continue reading

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New release of COCI: 445M DOI-to-DOI citation links now 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 … Continue reading

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

In a previous series of blog posts we proposed the treatment of bibliographic citations as first-class data entities, permitting citations to be endowed with descriptive properties. In doing so, we outlined some specific requirements, namely that the citations should be … Continue reading

Posted in Bibliographic references, Citations as First-Class Data Entities, Data publication, Open Citation Identifiers, Open Citations | 4 Comments