MetadataSchemata
MetadataSchemata refers to the curated collection of metadata schemas that specify how metadata about digital objects should be structured, encoded, and validated. It encompasses formal element sets, vocabularies, and encoding rules that guide description across domains. Distinct from individual records, a schemata collection provides reusable templates for describing objects such as documents, images, datasets, and multimedia.
Purpose and scope: The primary goal is to enable consistent description, discovery, and interoperability. Schemata define
Structure and languages: Schemata are implemented as schemas or ontologies, using languages such as XML Schema,
Standards and governance: MetadataSchemata are typically maintained by standards bodies, professional communities, or repository projects. Crosswalks
Examples: Dublin Core for general descriptive metadata; MODS and METS for libraries and digital objects; PREMIS