Restricted datastreams

Restricted datastreams

The following datastreams serve pre-defined functions in the DAMS and are managed by the system. If you want to add a custom datastream do not use one of these IDs, otherwise the system might overwrite custom data. 

  • System Generated

    • DAMS automatically generates this datastream. If you upload your own file attached to this datastream it may get overwritten. Example: In the case of OCR if you upload your OCR to that datastream and then someone runs the generate OCR on the item your will be overwritten.

  • User Provided

    • You can provide your own datastreams, if you provide a datastream with one of the restricted datastreams expecting to be user provided the system may have special behaviors. Example: In the case of a user provided PDF it will have preference in the system to be displayed. 



Datastream ID

Content Model

Source

Additional Information

Datastream ID

Content Model

Source

Additional Information

PDF

Book

user provided



PDF

Issue

user provided



PDF

Page

system generated

If users add a page level pdf, it will be overwritten if/when a pdf is generated at the book/issue level in the GUI.

UTLDAMS_PDF

Book

system generated

aggregates page-level PDF datastreams; used for viewing a paged asset in the DAMS if no user-provided PDF datastream is present at book/issue level

UTLDAMS_PDF

Issue

system generated

aggregates page-level PDF datastreams; used for viewing a paged asset in the DAMS if no user-provided PDF datastream is present at book/issue level

RELS-EXT

Publication

system generated



RELS-EXT

Book

system generated



RELS-EXT

Issue

system generated



RELS-EXT

Page

system generated



MODS

Publication

user provided or system generated



MODS

Book

user provided or system generated



MODS

Issue

user provided or system generated



MODS

Page

user provided

page-level metadata is not required

DC

Publication

system generated



DC

Book

system generated



DC

Issue

system generated



DC

Page

system generated



POLICY

Publication

system generated



POLICY

Book

system generated



POLICY

Issue

system generated



POLICY

Page

system generated



TN

Book

system generated if PDF ingested upon creation



TN

Issue

system generated if PDF ingested upon creation



TN

Page

system generated



TN

Publication

user provided



OBJ

Page

user provided or system generated (label for system generated starts with UTLDAMS)



JPG

Page

system generated



JP2

Page

system generated



TECHMD

Page

system generated



RELS-INT

Page

system generated



OCR

Page

system generated

Becomes part of user searchable content in the DAMS

OCR_CUSTOM

Page

user provided

Becomes part of user searchable content in the DAMS

FULL_TEXT_CUSTOM

PDF

user provided

Becomes part of user searchable content in the DAMS

FULL_TEXT

PDF

system generated

Becomes part of user searchable content in the DAMS