✏️News Release
Nearly 4 Million Japanese Research Outputs Integrated into OpenAlex: Collaboration with NII's IRDB Dramatically Improves the Global Discoverability of Research from Japanese Institutional Repositories.
https://t.co/j2VkdH5ijK
The National Institute of Informatics (NII), part of the Research Organization of Information and Systems (ROIS) and led by Director-General Sadao Kurohashi, has integrated metadata from its Institutional Repositories DataBase (IRDB) into OpenAlex , one of the world's largest open scholarly information databases.
As of August 18, 2026, metadata for nearly 4 million research outputs collected through IRDB is freely available to researchers and the public worldwide via OpenAlex.