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Welcome to This is a work in progress version of a new site on federal data resources.


There are a number of data standards and vocabularies relevant to federal datasets. Key guidance, models, and communities include the following:


OMB Circular A-119.

FIPS 199 contains standards for categorization of federal information systems.

Reports and Best Practices

Final Report and Recommendations of the 2016-2018 FOIA Advisory Committee


DCAT-US (Project Open Data Metadata Schema).

Data Catalog Vocabulary (DCAT).

Department of Transportation Model Data Inventory Approach.

Federal Geographic Data Committee Geospatial Standards.

RDFa Lite 1.1.

International Organization for Standardization (ISO) standards catalog.


American National Standards Institute.

INCITS – the InterNational Committee for Information Technology Standards – is the central U.S. forum dedicated to creating technology standards for the next generation of innovation.

National Information Exchange Model (NIEM) is a common vocabulary that enables efficient information exchange across diverse public and private organizations.

Internet Engineering Task Force (IEFT) is a large open international community of network designers, operators, vendors, and researchers concerned with the evolution of the Internet architecture and the smooth operation of the Internet.

The World Wide Web Consortium The (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web standards.

United Nations Economic Commission for Europe UNECE serves as the focal point for trade facilitation recommendations and electronic business standards, covering both commercial and government business processes that can foster growth in international trade and related services.