@feditips @Kalytis @wikidata AFAIU, @bookwyrm uses several data sources ("connectors"), namely @OpenLibrary and inventaire.io. On our side, we build a knowledge graph centered around #Wikidata, but also pulling from various data sources, when data associated with an ISBN is not found, see https://wiki.inventaire.io/wiki/Entities_data One way to trigger this is to visit the corresponding edition page (ex: https://inventaire.io/entity/isbn:9782226171511) or to dump a list of ISBNs in the importer https://inventaire.io/add/import