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    • Multiple Encounter Dataset (MEDS-II) - NIST Special Database 32

    Metadata Updated: September 30, 2025

    Multiple Encounter Dataset (MEDS-II) is a test corpus organized from an extract of submissions of deceased persons with prior multiple encounters. MEDS is provided to assist the FBI and partner organizations refine tools, techniques, and procedures for face recognition as it supports Next Generation Identification (NGI), forensic comparison, training, analysis, face image conformance, and inter-agency exchange standards. The MITRE Corporation (MITRE) prepared MEDS in the FBI Data Analysis Support Laboratory (DASL) with support from the FBI Biometric Center of Excellence.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    References

    https://doi.org/10.6028/NIST.IR.7807

    Dates

    Metadata Created Date November 12, 2020
    Metadata Updated Date September 30, 2025
    Data Update Frequency irregular

    Metadata Source

    Harvested from Commerce Non Spatial Data.json Harvest Source

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 12, 2020
    Metadata Updated Date September 30, 2025
    Publisher National Institute of Standards and Technology
    Maintainer
    Identifier 26DEBF5B517C6750E0531A570681AA751450
    Language en
    Data Last Modified 2011-07-11 00:00:00
    Category Information Technology:Biometrics
    Public Access Level public
    Data Update Frequency irregular
    Bureau Code 006:55
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Data Dictionary http://nigos.nist.gov:8080/nist/sd/32/NIST_SD32_MEDS-II_metadata.zip
    Data Dictionary Type text/csv
    Harvest Object Id ab2d07d4-24cd-41ae-9fa5-b45395bbb6cf
    Harvest Source Id bce99b55-29c1-47be-b214-b8e71e9180b1
    Harvest Source Title Commerce Non Spatial Data.json Harvest Source
    Homepage URL https://www.nist.gov/itl/iad/image-group/special-database-32-multiple-encounter-dataset-meds
    License https://www.nist.gov/open/license
    Program Code 006:045
    Related Documents https://doi.org/10.6028/NIST.IR.7807
    Source Datajson Identifier True
    Source Hash 61cf81c7b9ea44ebd9f0aa53c5e2b889d8ec755c66ce6aa5ec74bafd64512231
    Source Schema Version 1.1

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