Tag Archives: open citations

More than 624 million citations now available on COCI

(21 Jan 2020) COCI is the OpenCitations Index of Crossref open DOI-to-DOI citations, all released as CC0 material, and is described in the article Heibi I, Peroni S, Shotton D (2019). Software review: COCI, the OpenCitations Index of Crossref open DOI-to-DOI citations. Scientometrics 121(2): 1213-1228. https://doi.org/10.1007/s11192-019-03217-6 COCI is our first OpenCitations Index of open citations, in […]


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The Crossref Open Citation Index (COCI)

(12 July 2018) A citation index is a bibliographic index recording citations between publications, allowing the user to establish which later documents cite earlier documents. Several citation indexes are already available, some of which are freely accessible but not downloadable (e.g. Google Scholar), while others can be accessed only by paying significant access fees (e.g. […]


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Understanding the implications of Open Citations – how far along are we?

(22 January 2018) The academic discovery space seems to be buzzing again. This space has become relatively stable after the introduction and maturity of Web Scale Discovery between 2009-2013, but things seem to be hotting up once again, writes Aaron Tay. With the recent interest in integrating discovery of open access, as well as linked […]


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OUP joins I4OC

(16 January 2018) I4OC is a project which promotes the unrestricted availability of scholarly citation data by making  metadata for references within academic articles publicly available. It aims to establish a global public web of linked scholarly citation data to enhance the discoverability of published content, explore connections between knowledge fields, and follow the evolution […]


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Growing support for the Initiative for Open Citations, I4OC

(11 July 2017) Launched back in April, the Initiative for Open Citations (I4OC) has a bold ambition: for 100% of citation data to be freely available for re-use. And so far this collaboration between publishers, researchers and other stakeholders is proving to be well on the way to achieving that goal. For users to be […]


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Can we assess library electronic resource usage with citations, altmetrics & more ?

(12 May 2017) The question is posed by, Aaron Tay, Library Analytics Manager at Singapore Management University. Writing in his musingsinlibrarianship blog he posits that  while bibliometrics and altmetrics tend to be used to measure the impact of articles/items produced by users in terms of cites or altmetrics, is it possible to flip this around to […]


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