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DSpace bundles a small number of tasks of general applicability. Those that do not require configuration (or have usable default values) are activated by default to demonstrate the use of the curation system. They may be deactivated by means of configuration, if desired, without affecting system integrity. Those that require configuration may be enabled (activated) by means editing DSpace configuration files. Each task - current as of DSpace 4.0 - is briefly described in this section.

Required Metadata

The "requiredmetadata" task examines item metadata and determines whether fields that the web submission (input-forms.xml) marks as required are present. It sets the result string to indicate either that all required fields are present, or constructs a list of metadata elements that are required but missing. When the task is performed on an item, it will display the result for that item. When performed on a collection or community, the task be performed on each item, and will display the last item result. If all items in the community or collection have all required fields, that will be the last in the collection. If the task fails for any item (i.e. the item lacks all required fields), the process is halted. This way the results for the 'failed' items are not lost.

Link Checkers

Two link checker tasks, BasicLinkChecker and MetadataValueLinkChecker can be used to check for broken or unresolvable links appearing in item metadata.

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