Reliably links work to its authors and creators; widely used, with serious backing of resolver instances.
Built-in solution of the invenio 3 framework. Move to handle system planned for proper GUPRIs for datasets.
Widely used (and therefore interoperable) metadata schema.
Flexible metadata schema; indexed by easy-to-use search engine (Google Dataset Search); allows for direct linking of files that belong to a metadata record.
Widely used; good compromise between flexibility and standardization.
Built-in solution of invenio 3 framework. Not yet linked via machine-actionable API from the metadata GUPRI (plan to introduce link via "index" metadata of handle system).
Great integration with JSON-LD; easy to set up.
Little to no extra effort needed for indexing.
Optimade.science allows deep searches of atomic structures from optimade-enabled materials databases.
Open Archives Initiative Protocol for Metadata Harvesting
Allows for interoperable exchange of atomic structure data between databases.
Allows querying AiiDA provenance graphs stored in AiiDA archives.
Plan covers longevity of both metadata and data.
Internal representation used by the invenio 3 framework
Used for representation of dublin-core and oai-pmh metadata.
Ontology for AiiDA provenance graphs. Applies only to AiiDA data records.
Materials Cloud Archive Record Schema v1.0.0
AiiDA archive format includes extensive provenance tracking for full reproducibility. Not available for all datasets.
Results from data mining of the repository should be distributed under an open license as well.