Recommended Reading:
ic-ism-v2.xsd
W3C XML Schema for the Intelligence Community Metadata Standard for
Information Security Marking (IC-ISM), which is part of the IC
standards for Information Assurance.
Schema Document Information
Namespace: urn:us:gov:ic:ism:v2
File Path: lexs.gov/niem/icism/2.0/ic-ism-v2.xsd
Properties: Element Form Default: qualified, Language: en