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