OpenCitations Meta Provenance Database

This database contains the full provenance data for the OpenCitations Meta database, provided as a dump of the Virtuoso database. It includes a complete history of the creation and modification of every entity.<br><br>The provenance information is modelled in RDF according to the OpenCitations Data Model. Each change to an entity (creation, deletion, modification, or merge) is recorded in a "snapshot", which includes metadata about the agent responsible for the change, the primary source, and the timestamp. Snapshots are linked sequentially to provide a full version history of each entity.<br>This dump contains:7,544,653,255 quadruples1,307,782,669 snapshotsA full-text index for textual searches.The data is provided as a multi-part 7zip archive. To extract it, please use the provided extraction scripts (`extract_archive.sh` for Linux/macOS and `extract_archive.bat` for Windows).<br> <br>Usage example (Linux/macOS):<br>`bash extract_archive.sh oc_meta_prov_06_06.7z.001 ./extracted_data`<br>Usage example (Windows):<br>`extract_archive.bat oc_meta_prov_06_06.7z.001 .\extracted_data`<br><br>For more information, please refer to the following paper: Arcangelo Massari, Fabio Mariani, Ivan Heibi, Silvio Peroni, David Shotton; OpenCitations Meta. Quantitative Science Studies 2024; 5 (1): 50–75. doi: https://doi.org/10.1162/qss_a_00292