The digital object and data element information listed below provide structural metadata support for non-motion visual material (e.g., photographs, images of text document pages), SGML encoded documents, sound recordings, and motion visual material (e.g., video tape, motion pictures). Such pieces of information, which represents inherent characteristics of digital objects and data elements, are referred to as "attributes."
Attribute | Field Name | Required | Repeatable |
---|---|---|---|
Handle | Handle | ||
Description | Description | ||
Original Content Type | Orig_content_type | ||
Rights and Permissions | Rights_and_permissions | ||
Owner of Digital Object | DO_Owner | ||
Number of Data Elements | Num_data_elements | ||
Number of Instances | Num_instances | No | No |
Parent Object Information | Parent_object_info Not yet fully defined |
||
Deposit Information | Deposit_info Date_deposited Time_deposited |
||
Digital Object Use | DO_use | ||
Special Function | DO_special_function | ||
Last Revision | Last_revision Date_last_revision Time_last_revision |
||
Data Element | See table below |
Data Element Attribute | Field Name | Required | Repeatable |
---|---|---|---|
Data Size | Data_size | ||
Data Size Unit | Data_size_unit | ||
Data Type | Data_type | ||
Data Element Description | DE_description | ||
Data Element Rights and Permissions | DE_rights_and_permissions |
||
Instance | Instance | No | No |
Data Element Deposit Information | DE_deposit_info Date_deposited Time_deposited |
||
Data Element Relationship Information | DE_relationship_info DE_relationship_type DE_relationship_value |
No |
Yes |
Data Element Use | DE_use | ||
Last Data Element Revision | Last_DE_revision Date_DE_last_revised Time_DE_last_revised |
||
Creation Information | Creation_info Date_created Equipment_used Creator |
No |
No |
Page Information* * for Data_types GIF, JPG, SID, & TIF only | Page_info Page_type Page_value |
||
Associated File* * for Data_types RA & SGML only | Assoc_file Assoc_file_type Assoc_file_name |
||
Extent* (dimensions; duration)
* for all Data_types except |
Extent_info Extent_type Extent_value |
||
Orientation*
* for Data_types GIF, TIF & JPG only |
Image_Orient | ||
Resolution*
* for Data_types GIF, TIF, JPG, |
Resolution | ||
Bit Depth*
* for Data_types GIF, TIF, JPG, |
Bit_Depth | ||
Color Mode*
* for Data_types GIF, TIF, JPG, |
Color_Mode | ||
Data Element Content | Data |
Created: 5/29/97 Revised: 8/4/98 |
National Digital Library Program - Digital Repository Development Project |
Comments: [email protected] |