#opencitationsmeta

The March 2025 release of #OpenCitationsIndex, based on several sources, is now available! It includes information on >2.15 BILLION CITATIONS, with an additional 142 MILLION citations compared to the previous release.
More info at: https://opencitations.net/download
Check out our #OpenCitationsMeta Database (last dump: February 2025) for the bibliographic metadata from all the publications in #Index: https://opencitations.net/meta

Our technical infrastructure does not take a vacation: we are finishing the redesign of the ingestion workflow and will share the outcomes soon in September! You will have to wait until October for the new #COCI release, but the new release of #OpenCitationsMeta is out: https://opencitations.net/meta

Explore our ongoing activities and release deadlines here: https://trello.com/b/RprHYoKL/opencitations

#3 Use of the #OpenCitationsMeta Identifier permits de-duplication of records of bibliographic resources having more than one external identifier, such as a DOI and a PMID.

#2
#OpenCitationsMeta permits OpenCitations to index citations involving publications that lack DOIs.

#1 #OpenCitationsMeta permits OpenCitations to respond more quickly to user requests for information.

#OC2022releases

Why OpenCitations Meta? #OpenCitationsMeta represents a major infrastructural advance for OpenCitations, since it addresses and overcomes some of the limitations previously experienced, providing three major benefits:

OpenCitations Meta is out now! It stores and delivers bibliographic metadata for all publications involved in the OpenCitations citation #indexes, and presently contains #metadata describing > 87 MILLION bibliographic entities. Learn more about its data and technical features here:  https://opencitations.hypotheses.org/3140

#OpenCitationsMeta #OC2022releases