Blog post by Ivan Heibi (University of Bologna), Arianna Moretti (University of Bologna) and Chiara Di Giambattista (University of Bologna). In the past five years, the OpenCitations data has been enriched with numerous new indexes of open citation data from different sources.

We are delighted to announce that the French National Fund for Open Science (FNSO) has renewed its commitment to sustaining the activities of four SCOSS-selected infrastructures, including OpenCitations.

We’re happy to announce POCI, the OpenCitations Index of PubMed open PMID-to-PMID citations, an RDF dataset containing details of all the citations from publications bearing PubMed Identifiers (PMIDs) to other PMID-identified publications, harvested from the National Institutes of Health Open Citations Collection (NIH-OCC). The citations available in POCI are treated as first-class data entities, with … Continue reading Discover POCI, the index

*This blog post is the first of a series dedicated to the description and promotion of OpenCitations Meta. * In addition to OpenCitations’ Citation Indexes, OpenCitations is pleased to announce a new service: OpenCitations Meta , a database which stores and delivers bibliographic metadata for all publications involved in the OpenCitations citation indexes.

Discover DOCI, the OpenCitations Index of Datacite open DOI-to-DOI citations

OpenCitations has happily joined the open-source social media platform joinmastodon.org.

Blog post by Ivan Heibi (Universiy of Bologna) and Arcangelo Massari (University of Bologna). OpenCitations publishes the COCI dataset after each new release in three main formats: CSV, N-Triples, and Scholix (see https://opencitations.net/download#coci). The CSV format is the most popular and downloaded one due to its comprehensive data organization (i.e. tabular format) and smaller size (compared to the other formats provided).

We announce the August 2022 release of COCI, the OpenCitations Index of Crossref open DOI-to-DOI citations, which is based on open references to works with DOIs within the Crossref dump dated August 2022. This new release extends COCI with more than 48 million additional citations, giving a total number of more than 1.36 billion DOI-to-DOI citation links.

More than a year ago, Ginny Hendricks, Director of Member &

Guest post by Arcangelo Massari, University of Bologna In this post, Arcangelo Massari, who recently graduated in Digital Humanities and Digital Knowledge under Professor Silvio Peroni at the University of Bologna, shares the results of his master thesis. A particular problem in information retrieval is that of obtaining data from an evolving dataset, independent of the time at which that item of data was added, changed or removed.