Element Set / Metadata Schema

An XML schema for exchanging specimen and observation data from biological collections.

Encodes the physical layout and recognized text of digitized document pages from OCR output.

The cataloguing rulebook that defined how English-speaking libraries described their collections.

Embeds sky coordinates, observation details, and taxonomy directly into astronomical outreach images.

An XML schema for recording technical metadata about audio digital objects in preservation systems.

Metadata vocabularies for describing biodiversity-related multimedia resources and collections.

A linked data vocabulary built around Work, Instance, and Item to replace MARC for library data.

Rules and best practices for creating consistent, sharable descriptions of cultural works and images.

A framework of 540 categories for describing works of art, architecture, and material culture.

A Schema.org-based vocabulary for describing research software across repositories and platforms.

The US federal standard for documenting geospatial data, mandated for all federal agency datasets.

An XML schema for encoding copyright status and rights information within digital library objects.

The XML schema publishers use to register DOIs and deposit bibliographic metadata with Crossref.

A shared vocabulary for recording and exchanging biodiversity observations, specimens, and taxa.

Documents surveys, questionnaires, and statistical data across the full research data lifecycle.

Core metadata properties for identifying and citing research datasets registered with DOIs.

The full set of properties, classes, and encoding schemes maintained by the Dublin Core community.

Content rules for describing archival materials and authority records in the United States.

The minimum metadata every Digital Object Identifier must carry, from referent type to agent roles.

Fifteen core properties for describing any resource, from title and creator to date and format.

The European Broadcasting Union's metadata framework for audiovisual production and media archiving.

A comprehensive XML vocabulary for documenting ecological and environmental research datasets.

Encodes archival authority records for the corporate bodies, persons, and families behind collections.

The XML standard for encoding hierarchical archival finding aids and publishing them on the web.

Extends Dublin Core with degree-specific metadata for electronic theses and dissertations.