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Where are Citations used in CMR metadata?

Citations are used to provide information about citing the resource being described in the metadata or to refer to resources outside of the metadata record. These citations are an important part of the identification information and, as such, they are in a special location in the record. In addition, they can provide connection to relevant materials that can not be included in the metadata.

The table below shows where Citations are used in CMR metadata collections. See Citations for more information.

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Where are External Links (OnlineResources) used in CMR metadata?

As the World Wide Web has developed into a ubiquitous information source, links to on-line information and services have become a critical element in all metadata records. As URLs have increased in complexity, it has become more important to provide supporting information along with the links. The ISO Standards use CI_OnlineResources to describe links. These include a rich set of attributes for describing on-line resources.

The table below shows where Online Resource elements are used in CMR metadata collections.

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