- Dublin Core
- MARC - Bibliographic, authority and related metadata.
- METS - a container/wrapper?
- MODS - Metadata Object Description Schema (relations?)
- RFC 1807 - Bibliographic metadata.
- ONIX - ONline Information eXchange
- MIT Selected Metadata Standards and notes therein contain lots of information. There are clearly metadata standards for different classes of data and metadata.
- Z39.87 Data dictionary - Technical Metadata for Digital Still Images (MIX)
- EXIF - Images
- IPTC/XMP - Images
- MIX - Images
- Open Archives Initiative
- PBCore - Video/Audio
- SMPTE - Video/Audio
PREMISE#
Crosswalking#
Migrations that convert between metadata formats, mapping elements of one into the other.