Directory Interchange Format (DIF) Writer's Guide
 
About DIFs
What is a DIF?
XML DIF Schema
Some Tips on Writing DIFs
Procedure for Suggesting Changes
 
 
DIF Fields
Entry ID Access Constraints
Entry Title Use Constraints
Parameters (Science Keywords) Distribution
ISO Topic Category Related URL
Data Center DIF Revision History
Summary Keyword (Ancillary Keyword)
Metadata_Name Data Set Language
Metadata_Version Paleo-Temporal Coverage
Data Set Citation Originating Center
Personnel Data Set Progress
Instrument Multimedia Sample
Platform Reference
Temporal Coverage Parent DIF
Spatial Coverage IDN Node
Location DIF Creation Date
Data Resolution Last DIF Revision Date
Project Future DIF Review Date
Quality Privacy Status  
 
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This document should be cited as:
Directory Interchange Format (DIF) Writer's Guide, 2007.
Global Change Master Directory. National Aeronautics and Space Administration. [http://gcmd.nasa.gov/User/difguide/].