Keyword (Ancillary Keyword)


Definition
The <Keyword> field allows authors to provide any words or phrases needed to further describe the service.
 
Syntax

Keyword>text up to 160 characters</Keyword>

  • The <Keyword> field may contain up to 160 characters from the UTF-8 character set.
 
Usage
  • The <Keyword> field is recommended and may be repeated.
  • Ancillary keywords that are not found in the controlled keyword lists may be provided.
 
Example

<Keyword>Hierarchical Data Format</Keyword>
<Keyword>Document Type Definition</Keyword>
<Keyword>Web Map Service</Keyword>
<Keyword>Layer Metadata</Keyword>
<Keyword>ship track</Keyword>
<Keyword>environmental parameters</Keyword>

 

This document should be cited as:
Service Entry Resource Format (SERF) Writer's Guide, 2013.
Global Change Master Directory.
National Aeronautics and Space Administration.
[http://gcmd.nasa.gov/add/serfguide/].

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