Category Archives: Data publication

Academia’s missing references

No-one is quite sure of the total number of scholarly publications within the global corpus. Indeed that number will be strongly influenced by the degree to which, in addition to books and journal articles, one includes within the definition of … Continue reading

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92 million new citations added to COCI

It’s been a month since the announcement of 1.09 Billion Citations available in the July 2021 release of COCI, the OpenCitations Index of Crossref open DOI-to-DOI citations.   We’re now proud to announce the September 2021 release of COCI, which is based on open references to works with DOIs within the Crossref dump dated August … Continue reading

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OpenCitations’ compliance with the Principles of Open Scholarly Infrastructure

What should an open scholarly infrastructure look like?  An answer to this tough question can be found in the original February 2015 blog post by Geoffrey Bilder, Jennifer Lin and Cameron Neylon Bilder G., Lin J., Neylon C. (2015) Principles for Open Scholarly Infrastructure , http://dx.doi.org/10.6084/m9.figshare.1314859 and in the summary of the principles to be found … Continue reading

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Crossing a significant threshold: more than one billion citations now available in COCI!

“The competitive benefits of closing access to citation data diminish with each new citation released to the public domain, but the benefits of open data remain. Going forward, citation data is almost completely public domain”. With these words, from the … Continue reading

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OpenCitations at LIBER Annual Conference 2021: ‘How Can Open Infrastructures Support the Role of Research Libraries?’

For the second year, OpenCitations has taken part in the LIBER annual conference.  LIBER (Ligue des Bibliothèques Européennes de Recherche – Association of European Research Libraries) is a network that gathers 440 research libraries, based in more than 40 countries all over the world, with the mission of supporting Europe’s research libraries by highlighting their value to policymakers, … Continue reading

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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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