In the wake of the Software Preservation Network's Software Metadata Recommended Format (SMRF) Guide, the EaaSI team got a lot of questions about metadata for emulation and the EaaSI platform. Me and Claire Fox tried to dig into those questions in the latest EaaSI Training Module:
https://www.softwarepreservationnetwork.org/eaasi-training-module-7-implementing-metadata-standards/
(tl;dr - we gather a lot, send a lot to Wikidata, but most of it's not actually standardized or integrated directly into the EaaSI platform! read on for more detail on our thought process, influences, and needs though)