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National Information Exchange Model (NIEM)

The National Information Exchange Model (NIEM), a partnership of the U.S. Departments of Justice and Homeland Security, is a community-driven, standards-based approach to exchanging information.

NIEM connects communities of people who share a common need to exchange information in order to advance their mission. It allows systems to speak to each other, even if they have never spoken before. NIEM ensures that information is well-understood and carries the same consistent meaning across various communities, allowing interoperability to occur. With NIEM, you only need to know two languages—your own and NIEM. NIEM is driven by the community, for the community.

NIEM brings together diverse communities that collectively leverage tools, processes, and technologies to increase efficiencies and improve decision-making.

NIEM Website

The NIEM website (http://www.niem.gov ) is the focal point for all things NIEM-related. Here you will find news, documentation, training information, and reference materials to help you manage within the NIEM environment. Examples of resources available on the NIEM site include:

NIEM Training

National Information Sharing Standards (NISS) Help Desk

The National Information Sharing Standards (NISS) Help Desk helps users find answers to technical questions regarding the content, principles, and best practices for using the National Information Exchange Model (NIEM).

Live technical support for the NISS Help Desk is available 
Monday through Friday from 9:00 a.m. to 8:00 p.m. (EST) 
by contacting 1.877.333.5111 or 703.726.1919 or 
by email at NISShelp@ijis.org.

Online support is available 24 hours per day, 7 days per week.

Online Knowledge Base

The Online Knowledge Base contains information about information sharing standards, specifically the Global Justice XML Data Model, the National Information Exchange Model (NIEM), and Information Exchange Package Documentation (IEPD) efforts.

IEPD Clearinghouse

The IEPD Clearinghouse is an interactive online repository that provides information about planned, in-progress, and completed IEPD initiatives. Developers can maximize resources and time by using the IEPD Clearinghouse to access reusable, NIEM-conformant artifacts. Most importantly, the IEPD Clearinghouse enables directly relevant collaboration between organizations and people working to solve similar problems within the justice, public safety, and homeland security communities. For questions about the IEPD Clearinghouse, contact the NISS Help Desk.

Global Standards Package

To achieve the interoperability and cost-saving aims of the Global Standards Council, the Global Standards Package (GSP) was developed. The GSP is a collection of normative, independently versioned standards that are assembled into a package of composable, interoperable solutions specifically supporting the exchange of justice information.

The GSP is composed of the following primary components:

  • National Information Exchange Model: https://www.niem.gov/.
  • Global Reference Architecture (GRA): The GRA offers guidance on the design, specification, and implementation of services and related infrastructure for organizations that are looking for an architectural solution to sharing information through external exchanges and common messaging standards between information sharing systems.
  • Global Service Specification Packages (SSPs): Reference services that serve as the means by which the information needs of a consumer are connected with the information capabilities of an information provider. Developers, architects, and service authors are strongly encouraged to refer to the following namespace site when developing Global service specifications. This namespace provides a collection of names, identified by uniform resource identifiers (URIs), which are used to support GRA service specifications, service specification artifacts, packaging metadata, and sample documents.
  • Global Federated Identity and Privilege Management (GFIPM): The GFIPM specifications and guidelines are designed to support security controls when accessing justice information systems, based on commonly understood and applied user access control policies. 
  • Global Privacy Technology Framework : The technical privacy framework is a methodology and series of tools designed to support defining the data privacy and confidentiality rules and disclosure obligations based on various roles and conditions.

Other Information Sharing Standard Resources

Here are some helpful links to other information sharing standard resources:

OASIS Emergency Management Standards:

  • Emergency Data Exchange Language (EDXL) Distribution Element v1.0 (PDF DOC)
  • Emergency Data Exchange Language (EDXL) Hospital AVailability Exchange (HAVE) v1.0 incorporating Approved Errata (HTML PDF DOC Schema)
  • Emergency Data Exchange Language Resource Messaging (EDXL-RM) v1.0 incorporating Approved Errata (HTML PDF DOC Schema)
  • Common Alerting Protocol (CAP) v1.2 (HTML PDF DOC Schema)
  • Common Alerting Protocol (CAP) v1.1 (PDF)
  • Common Alerting Protocol v1.0 [OASIS 200402] (PDF)
  • OASIS ECourts Filing, Electronic Court Filing Version 4.01 (HTML PDF DOC)
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