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This is an NDLP documentation DRAFT
Structural Metadata Dictionary for LC Repository Digital Objects

Structural Metadata Attributes
Version 1.03

The digital object and data element attributes listed below provide structural metadata support for photographs, text document images, raster maps, and SGML encoded text documents. Additional attributes needed to support other types of material, such as recorded sound and motion video, will be added as they are defined.


Digital Object Attributes

Attribute Field Name Required Repeatable
HandleHandle
Yes
No
DescriptionDescription
Yes
Yes
Original Content Type Orig_content_type
Yes
No
Rights and PermissionsRights_and_permissions
Yes
Yes
Owner of Digital ObjectDO_Owner
Yes
No
Number of Data ElementsNum_data_elements
Yes
No
Number of Instances Num_instances

No

No
Parent Object Information Parent_object_info
Not yet fully defined
No
Yes
Deposit Information Deposit_info

    Date_deposited

    Time_deposited
Yes
No
Digital Object UseDO_use
Yes
No
Last Revision Last_revision

    Date_last_revision

    Time_last_revision
Yes
No
Data ElementSee table below
Yes
Yes



Data Element Attributes for Digital Object

Data Element Attribute Field Name Required Repeatable
Data Size Data_size
Yes
No
Data Type Data_type
Yes
No
Data Element Description DE_description
Yes
Yes
Data Element Rights and Permissions DE_rights_and_permissions
No
Yes
Instance Instance

No

No
Data Element Deposit Information DE_deposit_info

    Date_deposited

    Time_deposited
Yes
No
Data Element Relationship Information DE_relationship_info

    DE_relationship_type

    DE_relationship_value

No

Yes
Data Element UseDE_use
Yes
No
Last Data Element Revision Last_DE_revision

    Date_DE_last_revised

    Time_DE_last_revised
Yes
No
Creation Information Creation_info

    Date_created

    Equipment_used

    Creator

No

No
Page Information* * for Data_types GIF, JPG, SID and TIF only Page_info

    Page_type

    Page_value
No
Yes
Associated File* * for Data_types RA and SGML only Assoc_file

    Assoc_file_type

    Assoc_file_name
No
Yes
Orientation*

* for Data_types GIF, TIF and JPG only

 Scan_Orient
Yes
No
Data Element ContentData
Yes
No

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NDLP Documentation: About -- Start -- Index -- Glossary

Structural Metadata Dictionary for LC Repository
This is an NDLP documentation DRAFT
Created: 5/29/97         Revised: 04/07/98
National Digital Library Program
Comments: vvit@loc.gov