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03.02
subjectAuthorityUsed

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Other Attributes of this Element

Describe this Element


NAME
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subjectAuthorityUsed

DEFINITION
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If subjects are assigned to a media item using the descriptor subject and the terms used are derived from a specific authority or classification scheme, use subjectAuthorityUsed to identify whose vocabularies and terms were used.

ELEMENT
INTERDEPENDENCIES

Info on element interdependencies

Element Interdependency This element, along with its sibling element subject, is hierarchically bound to the container pbcoreSubject


REFINEMENTS &
ENCODING SCHEMES

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PBCore does not dicatate a single subject authority or classification scheme from which to select keywords, topics, and terms.

It is important however that if a specific authority is used, it is identified.

 



GUIDELINES
FOR USAGE

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PBCore does not dictate a single authority from which to review and select keywords, topics and terms. Dozens of authorities, schemes, and vocabularies have been developed. Some are useful for assigning general keywords. Others are highly specific to certain disciplines, fields of study, and industries. If a particular authority is used, identify it.


Use a URL where possible or practical. If the authority is identified by a personal name or corporporate/organizational name, PBCore recommends the following rules to specify the authority:

FOR PERSONAL NAMES:
Enter personal names in inverted form using commas as indicated here:

  • LastName, FirstName MiddleName, Suffix.
  • Substitute a MiddleInitial for a MiddleName as appropriate, or ignore if not available.
  • The suffix is any type of academic credential (Ph.D., Ed.D.) or familial lineage (Smithee, Alan, III)

FOR CORPORATE OR ORGANIZATIONAL NAMES:
Enter corporate names in full direct form.

  • Use the most specific and commonly used official name for an organization if it is distinctive enough to identify the group.
  • If a particular subdivision of an organization is intended, identify both the more encompassing group as well as the subdivisions.
    • The hierarchy (main group and subdivision) starts with the main group, followed by <period space>, then the subdivision.
    • For example:
      • State of Utah. Film Commission
      • Smithee Productions. Educational Division
      • Wisconsin Public Television. Extension Division

ADDITIONAL NOTES:
For a very enlightening discussion on the complexities of entering and displaying names, see "Representing People's Names in Dublin Core."


Below are listed links to different subject authorities that may be appropriate to reference.


PBS PODS: Program Offer Data Service Metadata Dictionary
Subject Terms

PBCore can recommend the use of the PBS TOPIC KEYWORD TABLE used in the Public Broadcasting Service's Program Offer Data Service: PODS. The PBS staff developed the Topic Keyword List in the late 1980s to support the Program Database (PDB), a system for managing production, content, rights and funding metadata about PBS programs. The list was compiled using a variety of internal sources, most notably a glossary used to code PBS programs with public interest categories for the production of FCC ascertainment reports sent to public television stations. This rich list has been updated regularly over the years to reflect new content areas and is maintained using the Broadview traffic and program management system, which replaced the PDB in April, 2006 at PBS. To view the actual vocabulary list, use this link (no password or login authentication is required)...
https://secure.connect.pbs.org/pbsdocuments/pbs/PBCore/


PRI ID3 PDS : Public Radio International Consortium ID3 Program Data Service
Music Genre Tags

In the realm of the radio medium, the PRI PSD Consortium (Public Radio International's Program Service Data) has released its "Recommended Field Descriptions for Program Service Data" in public radio programming. The tags are based on ID3 which is a very popular audio file data tagging format in active use by software and hardware developers around the world. ID3 tags are supported in software such as iTunes, Windows Media Player (with Microsoft proprietary modifications), WinAmp, YME, MusicMatch and hardware players like the iPod, Creative Zen, Toshiba Gigabeat and Sony Walkman. In HD radio, the PSD information is embedded in transmitted audio files and can be displayed on radios with text screens. Artist names, Song title, Year, and Genre are common tags. The ID3 Genre tag contains a comprehensive list of terms used to describe music types and can be used as a source of vocabulary when describing the subject of music media items. The numbers associated with the genre tags are the actual numeric codes carried in the ID3 data stream that are then decoded into human-readable form.
http://psd.publicbroadcasting.net
http://www.mpx.cz/mp3manager/tags.htm


World Wide Web Consortium Thesauri and Controlled Vocabularies Available for the Choice of Controlled Subject Terms
http://www.lub.lu.se/metadata/subject-help.html


Library of Congress Authorities http://authorities.loc.gov/
http://lcweb.loc.gov/catdir/cpso/lcco/lcco.html
http://authorities.loc.gov/cgi-bin/Pwebrecon.cgi?DB=local&PAGE=First
http://authorities.loc.gov/help/subj-auth.htm
DDC: Dewey Decimal Classification
http://www.oclc.org/dewey/index.htm
IPTC: International Press Telecommunications Council
http://www.iptc.org/pages/index.php
http://www.iptc.org/metadata/
GEM: Gateway to Educational Materials
ASN-Achievement Standards Network
Subject/Topic Vocabulary
http://www.thegateway.org
ASN Subject/Topic Vocabulary List

MESH: Medical Subject Headings of the National Library of Medicine
http://www.nlm.nih.gov/mesh/meshhome.html

HEAL: Health Education Assets Library
http://www.healcentral.org
HEAL Metadata Schema


Getty Art & Architecture Thesaurus
http://www.getty.edu/research/conducting_research/vocabularies/aat/


MIC--Moving Image Collections listing of Name and Subject Authorities and Vocabularies
http://mic.imtc.gatech.edu/catalogers_portal/
cat_cntrldVocab.htm#namesubj


OBLIGATION
TO USE

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Recommended

REPEATABLE
ELEMENT

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Apply once within its container, pbcoreSubject (which itself can be applied multiple times for a media item)

TYPE OF
DATA ENTRY

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Text String


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Show Me Examples
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https://secure.connect.pbs.org/pbsdocuments/pbs/PBCore/#keyword

http://www.lub.lu.se/metadata/subject-help.html

http://www.iptc.org/metadata/

http://www.thegateway.org/about/asn-documentation/asn-controlled-vocabularies/asn-topic-vocabulary/

http://www.nlm.nih.gov/mesh/meshhome.html

http://www.healcentral.org/services/servicesMetadataSchema.jsp
 

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Other Attributes of this Element


ELEMENT
LABEL

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subjectAuthorityUsed

ELEMENT
VERSION

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PBCore v1.1

NAMESPACE
IDENTIFIER

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Public Broadcasting Metadata Dictionary Project Namespace
http://www.pbcore.org/PBCore/PBCoreNamespace.html

REGISTRATION
AUTHORITY

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PBMD Project [pending]

LANGUAGE
OF THE
ELEMENT

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eng


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PBCore in Use

 

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