| NTL Display Name | Simple Dublin Core | NTL Extended Dublin Core | Repeatable? | Encoding Scheme | Notes |
|---|---|---|---|---|---|
| Title | title | title | No | ||
| Alternate Title | title | title.alternative | Yes | ||
| Conference Title | source | source | No | ||
| Journal Title | source | source | No | ||
| Creator (Personal) | creator | creator.creatorPersonal* | Yes | ||
| Corporate Creator | creator | creator.creatorGroup* | Yes | ||
| Classification | subject | subject | Yes | Encoding scheme - NTL classification scheme | |
| TRT Keywords | subject | subject | Yes | Encoding scheme - TRT | |
| General Subjects | subject | subject | Yes | ||
| Abstract | description | description.abstract | No | ||
| Table of Contents | description | description.tableofContents | No | ||
| Notes | description | description.notes* | No | ||
| Publisher (Personal) | publisher | publisher.publisherPersonal* | Yes | ||
| Corporate Publisher | publisher | publisher.publisherCorporate* | Yes | ||
| Contributor (Personal) | contributor | contributor.contributorPersonal* | Yes | ||
| Corporate Contributor | contributor | contributor.contributorCorporate* | Yes | ||
| Contracting Officer’s Technical Representative | contributor | contributor.contributorCotr* | Yes | ||
| Publication Date | date | date.created | No | Encoding scheme - ISO 8601 | Document creation /production date – Not metadata record creation |
| Copyright | date | date.copyrighted | No | Encoding scheme - ISO 8601 | |
| Resource Type | type | type | Yes | Uses controlled list | |
| Format | format | format | Yes | Encoding scheme - IMT (DCMI Media Types) | |
| Physical Description | format | format.extent | Yes | Includes file size, number of pages, volume information, map information | |
| Resource Identifier | identifier | identifier | Yes | Encoding Scheme - URL | |
| NTL Record ID | identifier | identifier | No | Encoding Scheme – SYSTEM | System assigned number |
| Report Number | identifier | identifier | Yes | Encoding Scheme - REPORT | |
| NTIS Number | identifier | identifier | No | Encoding Scheme - NTIS | |
| TRIS Accession Number | identifier | identifier | No | Encoding Scheme - TRIS | |
| OCLC Number | identifier | identifier | No | Encoding Scheme - OCLC | |
| ISBN | identifier | identifier | No | Encoding Scheme - ISBN | |
| ISSN | identifier | identifier | No | Encoding Scheme - ISSN | |
| Contract Number | identifier | identifier | Yes | Encoding Scheme - CONTRACT | |
| Digital Object Identifier | identifier | identifier | No | Encoding Scheme - DOI | |
| Language | language | language | Yes | Encoding Scheme - ISO 639-2/B | |
| isVersionOf | relation | relation.isVersionOf | Yes | incl. version, edition, or adaptation | |
| isPartOf | relation | relation.isPartOf | Yes | ||
| Contains | relation | relation.hasPart | Yes | ||
| isFormatOf | relation | relation.isFormatOf | Yes | ||
| hasFormat | relation | relation.hasFormat | Yes | ||
| Requires | relation | relation.requires | Yes | ||
| isRequiredBy | relation | relation.isRequiredBy | Yes | ||
| References | relation | relation.references | Yes | ||
| Succeding Entry | relation | relation.isReplacedBy | Yes | ||
| Preceding Entry | relation | relation.replaces | Yes | ||
| Period Covered | coverage | coverage.temporal | Yes | Encoding scheme - ISO 8601 | |
| Geographical Coverage | coverage | coverage.spatial | Yes | Use controlled geographical list | |
| Copyright Info | rights | rights | No | copyright info, etc. | |
| Edition | edition | No | MODS-element |
Note: Terms marked with an asterisk (*) are not qualified Dublin core terms but NTL extended terms.
| NTL Field Name | Simple Dublin Core | NTL Extended Dublin Core | Repeatable? | Encoding Scheme | Notes |
|---|---|---|---|---|---|
| Record created by | record.createdBy* | No | Staff who created metadata record | ||
| Record creation date | record.createdDate* | No | Time-stamp of record creation | ||
| Date item captured | record.captured* | No | Add for portal records, ingested sites, etc. | ||
| Record modified by | record.modifiedBy* | No | Staff who last edited metadata record | ||
| Record modification date | record.modified* | No | Time-stamp of most recent edit | ||
| Collection | record.collection* | No | Collection code | ||
| Supplier | record.supplier* | No | Organizational source of digital doc | ||
| Staff Notes | record.staffnotes* | No | Notes by/for indexers, tech services staff |
Note: Terms marked with an asterisk (*) are not qualified Dublin core terms but NTL extended terms