Entry Identifier
 
Definition
The <Entry_ID> is the unique identifier of the metadata record. The <Entry_ID> is determined by the metadata author and may be identical to identifiers used by the service provider’s organization.
 
Syntax

<Entry_ID> text entry identifier </Entry_ID>

  • The <Entry_ID> consists of 1 to 80 alphanumeric characters of the printable ASCII set, including underbar (_), hyphen (-) and period (.)
  • The following characters are not allowed in the <Entry_ID>:
    • Backward Slash ( / )
    • Forward Slash ( \ )
    • Colon ( : )
    • Spaces (  )
 
Usage
  • The <Entry_ID> is required and is not repeatable.
 
Example
<Entry_ID> PSU_GEOG_IMPROVISE </Entry_ID>

<Entry_ID> GES_DAAC_OPenDAP_Data_Pool</Entry_ID)

The following would not be allowed:
<Entry_ID>CoCoRaHS/5</Entry_ID>.The backward slash (/) is not an allowed character.

 

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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/].