National Transportation Library: NTL / Dublin Core Metadata Guidelines

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NTL Home > Information Resources and Tools > Metadata

Descriptive Metadata
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.

Administrative Metadata
NTL Field Name	NTL Extended Dublin Core	Repeatable?	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