Data standards

Standards, schemas, and related resources — this category will continue to be built out in response to Federal Data Strategy Action 20, which calls for a data standards repository to accelerate the creation and adoption of data standards across agencies

DCAT-US Schema v1.1 (Project Open Data Metadata Schema)

How to use Project Open Data Metadata Schema guidelines to document and list agency datasets and application programming interfaces (APIs) for hosting at and currently in use at

Data Catalog Vocabulary (DCAT)

DCAT is an RDF vocabulary designed to facilitate interoperability between data catalogs published on the Web. DCAT-US (used in the Project Open Data Metadata Schema) is based on this W3C data schema.




DCAT, data schema, data standards

Documenting APIs

Further guidance on using the Project Open Data Metadata Schema guidelines to document application programming interfaces (APIs) in data.json files for hosting at

Federal Geographic Data Committee Geospatial Standards

A list of FGDC-endorsed standards. Federal agencies that collect, use, or disseminate geographic information and/or carry out related spatial data activities should use FGDC-endorsed standards both internally and through their activities involving partners, grants, and contracts.


Federal Geographic Data Committee


geospatial, data standards

Improving Discoverability, Usability and Governance of Priority Agency Data

To improve the discoverability, usability, and governance of these priority agency data assets agencies shall apply the documenting techniques illustrated below.

International Organization for Standardization (ISO) Standards Catalog

ISO is an independent, non-governmental international organization with a membership of 164 national standards bodies. The date field in The Project Open Data Metadata Schema (DCAT-US v1.1) is one example of an ISO standard applied in government.



data standards

Metadata Resources and Field Mappings under the Project Open Data Metadata Schema (DCAT-US Schema v1.1)

Provides further background and resources to assist agencies in implementing the Project Open Data Metadata Schema v1.1. Maps fields from the current version of DCAT-US v1.1 to the previous version of the schema (v1.0), as well as other schemas (CKAN API, DCAT, and

Through an open community process, creates, maintains, and promotes schemas for structured data on the Internet. The vocabulary is used along with the Microdata, RDFa, or JSON-LD formats to add information to Web content.



data schema, data standards