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State
MTA Open Data Catalog
State of New York —
A list of datasets that MTA currently shares and plans to share on data.ny.gov. -
Federal
HHS Metadata Standard
U.S. Department of Health & Human Services —
HHS Metadata Standard: Version 1.0, published in July 2025, serves as the authoritative framework for defining HHS metadata—data about data—fields and attributes.... -
Federal
The NIST Extensible Resource Data Model (NERDm): JSON schemas for rich description of data resources
National Institute of Standards and Technology —
The NIST Extensible Resource Data Model (NERDm) is a set of schemas for encoding in JSON format metadatathat describe digital resources. The variety of digital... -
Federal
How do I report photos and videos of child maltreatment and/or child sexual abuse on social media networks and other online/internet platforms?
U.S. Department of Health & Human Services —
ACF Children Bureau resource Metadata-only record linking to the original dataset. Open original dataset below. -
Federal
Insect Species Occurrence Data from Multiple Projects Worldwide with Focus on Bees and Wasps in North America
Department of the Interior —
Species occurrence records for native and non-native bees, wasps and other insects collected using mainly pan, malaise, and vane trapping; and insect netting methods... -
Federal
NHSIA Performance Reference Model
U.S. Department of Health & Human Services —
ACF Agency Wide resource Metadata-only record linking to the original dataset. Open original dataset below. -
Federal
HHS Data Inventory
U.S. Department of Health & Human Services —
The U.S. Department of Health and Human Services (HHS) publishes the HHS Data Inventory—a comprehensive metadata catalog of public and non-public data assets across... -
Federal
Nexus-Experiment: an XML schema for describing data collected from electron microscopes
National Institute of Standards and Technology —
We share an XML Schema for describing data collected from a laboratory experiment in an organized way that attempts to communicate scientific intent and the phased... -
Federal
Brady's Geothermal Field Nodal Seismometers Metadata
Department of Energy —
Metadata for the nodal seismometer array deployed at the POROTOMO's Natural Laboratory in Brady Hot Spring, Nevada during the March 2016 testing. Metadata includes... -
Federal
Family Violence Prevention and Services/Domestic Violence Shelter and Supportive Services CARES Act
U.S. Department of Health & Human Services —
ACF Agency Wide resource Metadata-only record linking to the original dataset. Open original dataset below. -
Federal
OEDI Data Management and Best Practices for Submitters and Curators
Department of Energy —
Resources for OEDI data submitters and curators, including training videos, step-by-step guides on data submission, and detailed documentation of OEDI. The Data... -
Federal
What are the requirements to adopt a child from foster care?
U.S. Department of Health & Human Services —
ACF Children Bureau resource Metadata-only record linking to the original dataset. Open original dataset below. -
Federal
Enterprise Metadata Repository (EMR)
Social Security Administration —
Stores physical and logical information about relational databases and record structures to assist in data identification and management. -
Federal
Hot Pot Contoured Temperature Gradient Map
Department of Energy —
Temperature gradient contours derived from Oski temperature gradient hole program and from earlier published information. -
Federal
Dixie Valley Engineered Geothermal System Exploration Methodology Project, Baseline Conceptual Model Report
Department of Energy —
The Engineered Geothermal System (EGS) Exploration Methodology Project is developing an exploration approach for EGS through the integration of geoscientific data.... -
Federal
BLM WY Public Land Survey System Metadata Glance
Department of the Interior —
This is a graphic representation of the data stewards based on PLSS Townships in PLSS areas within the BLM Administrative State of Wyoming. In non-PLSS areas the... -
Federal
Oklahoma Electronic Master Person Index Analysis - Appendix A
U.S. Department of Health & Human Services —
ACF Agency Wide resource Metadata-only record linking to the original dataset. Open original dataset below. -
Federal
Maize Genetics Cooperation Stock Center Catalog of Stocks
Department of Agriculture —
The Maize Genetics Cooperation Stock Center is operated by USDA/ARS, located at the University of Illinois, Urbana/Champaign, and integrated with the National Plant... -
Federal
ACYF Adoption and Legal Guardianship Incentive Payment Program Terms & Conditions, October 2019
U.S. Department of Health & Human Services —
ACF Agency Wide resource Metadata-only record linking to the original dataset. Open original dataset below.