Data standards

A metadata crosswalk between the statutory metadata requirements of OMB Memorandum M-25-05 and the DCAT-US v3.0 schema.

DCAT-US 3 Schedule, Maintenance, and Release Plan

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

Reference documentation for DCAT-US v3.0, the federal metadata standard for documenting datasets, APIs, and data services. Use this reference to build or validate your agency's data inventory.

Field-level reference for the DCAT-US v3.0 Catalog class. A Catalog is the top-level container for an agency's data inventory.

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.…

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

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…

Guidance on how to tag, list, display, and create linkages for geospatial data between Data.gov and GeoPlatform.gov.

Implementation Guide

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

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…

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…

A step-by-step guide to updating your existing v1.1 data.json file to be valid against the DCAT-US v3.0 schema.

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