DCAT - Data Catalog Vocabulary
By using DCAT to describe datasets in data catalogs, publishers increase discoverability and enable applications easily to consume metadata from multiple catalogs. It further enables decentralized publishing of catalogs and facilitates federated dataset search across sites. Aggregated DCAT metadata can serve as a manifest file to facilitate digital preservation.
W3C Candidate Recommendation 05 November 2013
The standard was first developed and published by DERI and and saw adoption by a number of organizations. The standard was further devoped by the W3C eGov Interest Group with additional work being done by the W3c Government Linked Data (GLD) Working Group.