CDO - Content Data Object.
Completeness - In regards to the SIP: SIP contains all components agreed to in the Provider Agreement as well as any material referenced in the XML.
Content Type - A broadly defined collection within Scholars Portal under which preservation activities are handled in a consistent way, as directed by the Preservation Strategic Plan, which lays out the overall preservation strategy for Scholars Portal. Within a Content Type, object have the same criteria for inclusion into Preservation Levels, and essential properties are defined the same way. Examples of different Content Types include 'Journals' and 'eBooks'.
Correctness - The file is uncorrupted, and the file format is identifiable and valid.
Dataset - In ejournals preservation, a logical grouping of content delivered from a publisher to Scholars Portal, generally arrivng through a push or pull FTP script. This term generally refers to a set of content delivered at a given point in time. A dataset corresponds to a SIP, and is usually split apart into a number of AIPs, one for each article.