U.S. Department of Justice (DOJ) Implementation Guidance for NIEM-Conformant Exchanges [January 2008]   [open pdf - 138KB]

"The objective of this communication is to provide high level guidance to program managers and architects within the U.S. Department of Justice (DOJ) and its Component agencies on implementing NIEM-conformant information exchanges; and to further the Department's information sharing strategy. The National Information Exchange Model (NIEM) is the result of a collaborative effort by the justice and homeland security communities to produce a set of common, well-defined data elements to be used as the basis for data exchange development and harmonization. NIEM defines a set of building blocks that are used as a consistent baseline for creating exchange documents and transactions within the Department, the federal government and between the federal government and state, local and tribal organizations. An Information Exchange Package (IEP) is an XML representation of the information shared for a specific business purpose. An Information Exchange Package Documentation (IEPD) is a collection of artifacts (describing the purpose, structure and content of IEPs) that governs an information exchange. A NIEM-conformant information exchange is one that is based on an IEPD that follows the rules for NIEM conformance and is registered in one of the established NIEM IEPD repositories. The rules for NIEM conformance are described in the NIEM Implementation Guidelines document found at http://www.niem.gov/implementationguide.php. The goal of NIEM conformance is for the sender and receiver of information to share a common, unambiguous understanding of the meaning of the information being exchanged. Conformance to NIEM ensures that the data being shared (conveyed in common NIEM components) is well understood and has consistent meaning across various communities. The result enables a level of interoperability to occur that would be unachievable with a proliferation of custom or program- specific schemas and dictionaries."

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National Information Exchange Model: http://www.niem.gov/
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