Report on status, gap analysis and roadmap towards harmonised and federated metadata catalogues for EU national Photon and Neutron RIs

The ExPaNDS project aims at deploying into EOSC Data Catalogues and data analysis services. This document describes the status, a gap analysis, and a roadmap required to achieve harmonised and federated (meta)data catalogues within EOSC of the participating national Photon and Neutron (PaN) Research Infrastructures (RIs)