Demographic Group Terms

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Demographic
Group Terms
Or, The “Who” of Cataloging
 
Casey Mullin
Western Washington University
Chair, MLA-CMC Vocabularies Subcommittee
MOUG Annual Meeting, Orlando, FL, February 22, 2017
Another thesaurus (?!?)
 
Why?
Information on the creators, contributors and
intended audiences of works/expressions is
currently “trapped” in LCSH (“subject”)
strings
650 _0 Operas $v Juvenile $v Scores.
650 _0 Navajo Indians $v Music
Genre/form and medium of performance
vocabularies (LCGFT and LCMPT) have
already begun to be implemented
There are yet more facets to decouple
LCSH not an ideal vocabulary for this
purpose
LCDGT—Structure
 
Not a “true” thesaurus, but constructed
according to strict guidelines
Each term describes one group (identity)
Examples: 
Women; 
Motion picture
directors; African Americans
No compound terms (intersected
identities)
Example from LCSH: 
African American
women motion picture producers and
directors
Broader terms used sparingly
Must always be true of any individual in that
group (Example: 
Benedictines 
(no BT
Catholics)
)
 
LCDGT—Structure
 
Doesn’t that make for a lot of orphan terms?
Instead of a complete strict hierarchy, terms
are sorted into broad categories:
Age
Educational Level
Ethnic/Cultural
Gender
Language
Medical, Psychological, Disability
National/Regional
Occupation/Field of Activity
Religion
Sexual Orientation
Social 
(the “catch-all” category)
LCDGT—Guidance
 
How are these terms used?
Library of Congress has issued a Demographic
Group Terms Manual in draft form
http://www.loc.gov/aba/publications/FreeLCDGT/freelc
dgt.html
Best practices not yet developed; many open
questions
Recommendation: read the DGTM, use your
judgment and be confident!
The following examples illustrate one person’s
understanding of what best practice might look
like
 
LCDGT—Application
 
How are these terms used?
 
In bibliographic records:
MARC field 385 (Audience characteristics)
MARC field 386 (Creator/contributor
characteristics)
Include $2 lcdgt
 
Example #1:
385 __ Children $2 lcdgt
650 _0 Operas $v Juvenile $v Scores.
655 _7 Operas. $2 lcgft
655 _7 Scores. $2 lcgft
 
LCDGT—Application
 
How are these terms used?
 
In bibliographic records:
MARC field 385 (Audience characteristics)
MARC field 386 (Creator/contributor
characteristics)
Include $2 lcdgt
 
Example #2:
382 11 singer $2 lcmpt
386 __ Navajo (North American people) $2 lcdgt
650 _0 Navajo Indians $v Music.
650 _0 Songs, Navajo.
655 _7 Songs. $2 lcgft
LCDGT—Application
 
 
Wait? Does that mean I have to…
 
382 01 piano $n 1 $s 1 $2 lcmpt
385 __ Pianists* $2 lcdgt
386 __ Composers $2 lcdgt
650 _0 Sonatas (Piano)
655 _7 Sonatas. $2 lcgft
655 _7 Scores. $2 lcgft
 
* Not yet in LCDGT
 
Technically, this is possible, but best practice
will very likely discourage such “boilerplate”
usage
Draft DGTM already does (L 545)
Possible rule of thumb: if you would bring out
such characteristics in LCSH, bring them out in
385/386 (with more specificity in many cases!)
LCDGT—Application
 
 
How far to go with audience terms?
 
Good:
 
245 14 The band director's handbook
 
385 __ Band directors $2 lcdgt
 
Bad:
 
245 14 The complete idiot's guide to classical
music
 
385 __ Idiots [$2 lcdgt] 
(likely never in LCDGT!)
 
“When in doubt, leave it out!”
LCDGT—Application
 
 
What about place names in 370?
 
370 __ $g Germany $2 naf
and/or???
386 __ Germans $2 lcdgt
 
650 _0 Folk music $z Germany.
655 _7 Folk music. $2 lcgft
 
Possible best practice: favor giving the
geographic place in 370 over the
demographic group term in 386 if they are
coterminous
LCDGT—Application
 
 
What about place names in 370?
 
370 __ $g Arizona $2 naf
and
386 __ Navajo (North American people) $2 lcdgt
650 _0 Navajo Indians $z Arizona $v Music.
650 _0 Songs, Navajo $z Arizona.
655 _7 Songs. $2 lcgft
 
Possible best practice: give both geographic
place in 370 and the demographic group
term in 386 if they are 
not
 coterminous
LCDGT—Application
 
 
What about authority records?
 
For works (name-titles):
MARC field 385 (Audience characteristics)
MARC field 386 (Creator/contributor characteristics)
Don’t forget $2 lcdgt
For persons:
MARC field 374 (Profession/Occupation)
MARC field 375 (Gender)
Give terms from LCDGT and LCSH in separate fields
Give terms from same vocabulary in multiple $a
(Eventual?) best practice: prefer LCDGT
MARC field 372 (Field of activity) available as well
Example:
100 1_ Amirkhanian, Charles
372 __ Computer music $a Text-sound compositions $2
lcsh
374 __ Composers $a Percussionists $2 lcdgt
374 __ Radio producers and directors $2 lcsh
LCDGT—Application
 
 
What about retrospective
implementation?
 
Machine generation of LCDGT terms in 385
and 386 fields (as well as 370, 046, etc.)
incorporated into:
The MLA/CMC/VS project to derive faceted
data from LCSH headings
The recommendations of the ALCTS/SAC
Working Group on Full Implementation of
LC Faceted Vocabularies
Authority records are part of the picture too
 
LCDGT—Development
 
Developed in phases
Pilot phases 1 and 2 completed in 2015
Assisted by ALA/ALCTS Subject Analysis
Committee working group
Currently in Pilot phase 3 (extended to
end of 2017)
As of February 2016, about 800 terms in
thesaurus
Hundreds of terms in the proposal pipeline
Still issues to work out (e.g., local
demonyms)
LCDGT—Development
 
 
Can I propose a term for LCDGT?
Yes!! (Please do!)
Terms needed in current cataloging will be accepted for
consideration
Per LC-PSD, no “retrospective projects”
Current cataloging includes authority records
created/updated in the process
SACO libraries can propose using existing Minaret
system
Be sure to search to see if your desired term is already in the
pipeline
Non-SACO libraries can submit music-related
demographic terms via the SACO Music Funnel
 
Thank you!
 
 
Questions??
 
Janis Young (LC PSD)
jayo@loc.gov
 
Casey Mullin
casey@mullingroup.com
 
Nancy Lorimer (SACO Music Funnel coordinator)
nlorimer@stanford.edu
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Explore the structure and application of Demographic Group Terms (LCDGT) in cataloging, offering insights into the challenges of existing vocabularies like LCSH and the potential benefits of using LCDGT. Learn about the guidelines for classifying groups based on identity and the practical applications of LCDGT in bibliographic records. Discover how LCDGT can enhance the organization and accessibility of information on creators, contributors, and intended audiences of works.

  • Cataloging
  • Demographic Group Terms
  • LCDGT
  • Guidelines
  • Information Organization

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  1. Demographic Group Terms Or, The Who of Cataloging Casey Mullin Western Washington University Chair, MLA-CMC Vocabularies Subcommittee MOUG Annual Meeting, Orlando, FL, February 22, 2017

  2. Another thesaurus (?!?) Why? Information on the creators, contributors and intended audiences of works/expressions is currently trapped in LCSH ( subject ) strings 650 _0 Operas $v Juvenile $v Scores. 650 _0 Navajo Indians $v Music Genre/form and medium of performance vocabularies (LCGFT and LCMPT) have already begun to be implemented There are yet more facets to decouple LCSH not an ideal vocabulary for this purpose

  3. LCDGTStructure Not a true thesaurus, but constructed according to strict guidelines Each term describes one group (identity) Examples: Women; Motion picture directors; African Americans No compound terms (intersected identities) Example from LCSH: African American women motion picture producers and directors Broader terms used sparingly Must always be true of any individual in that group (Example: Benedictines (no BT Catholics))

  4. LCDGTStructure Doesn t that make for a lot of orphan terms? Instead of a complete strict hierarchy, terms are sorted into broad categories: Age Educational Level Ethnic/Cultural Gender Language Medical, Psychological, Disability National/Regional Occupation/Field of Activity Religion Sexual Orientation Social (the catch-all category)

  5. LCDGTGuidance How are these terms used? Library of Congress has issued a Demographic Group Terms Manual in draft form http://www.loc.gov/aba/publications/FreeLCDGT/freelc dgt.html Best practices not yet developed; many open questions Recommendation: read the DGTM, use your judgment and be confident! The following examples illustrate one person s understanding of what best practice might look like

  6. LCDGTApplication How are these terms used? In bibliographic records: MARC field 385 (Audience characteristics) MARC field 386 (Creator/contributor characteristics) Include $2 lcdgt Example #1: 385 __ Children $2 lcdgt 650 _0 Operas $v Juvenile $v Scores. 655 _7 Operas. $2 lcgft 655 _7 Scores. $2 lcgft

  7. LCDGTApplication How are these terms used? In bibliographic records: MARC field 385 (Audience characteristics) MARC field 386 (Creator/contributor characteristics) Include $2 lcdgt Example #2: 382 11 singer $2 lcmpt 386 __ Navajo (North American people) $2 lcdgt 650 _0 Navajo Indians $v Music. 650 _0 Songs, Navajo. 655 _7 Songs. $2 lcgft

  8. LCDGTApplication Wait? Does that mean I have to 382 01 piano $n 1 $s 1 $2 lcmpt 385 __ Pianists* $2 lcdgt 386 __ Composers $2 lcdgt 650 _0 Sonatas (Piano) 655 _7 Sonatas. $2 lcgft 655 _7 Scores. $2 lcgft * Not yet in LCDGT Technically, this is possible, but best practice will very likely discourage such boilerplate usage Draft DGTM already does (L 545) Possible rule of thumb: if you would bring out such characteristics in LCSH, bring them out in 385/386 (with more specificity in many cases!)

  9. LCDGTApplication How far to go with audience terms? Good: 245 14 The band director's handbook 385 __ Band directors $2 lcdgt Bad: 245 14 The complete idiot's guide to classical music 385 __ Idiots [$2 lcdgt] (likely never in LCDGT!) When in doubt, leave it out!

  10. LCDGTApplication What about place names in 370? 370 __ $g Germany $2 naf and/or??? 386 __ Germans $2 lcdgt 650 _0 Folk music $z Germany. 655 _7 Folk music. $2 lcgft Possible best practice: favor giving the geographic place in 370 over the demographic group term in 386 if they are coterminous

  11. LCDGTApplication What about place names in 370? 370 __ $g Arizona $2 naf and 386 __ Navajo (North American people) $2 lcdgt 650 _0 Navajo Indians $z Arizona $v Music. 650 _0 Songs, Navajo $z Arizona. 655 _7 Songs. $2 lcgft Possible best practice: give both geographic place in 370 and the demographic group term in 386 if they are not coterminous

  12. LCDGTApplication What about authority records? For works (name-titles): MARC field 385 (Audience characteristics) MARC field 386 (Creator/contributor characteristics) Don t forget $2 lcdgt For persons: MARC field 374 (Profession/Occupation) MARC field 375 (Gender) Give terms from LCDGT and LCSH in separate fields Give terms from same vocabulary in multiple $a (Eventual?) best practice: prefer LCDGT MARC field 372 (Field of activity) available as well Example: 100 1_ Amirkhanian, Charles 372 __ Computer music $a Text-sound compositions $2 lcsh 374 __ Composers $a Percussionists $2 lcdgt 374 __ Radio producers and directors $2 lcsh

  13. LCDGTApplication What about retrospective implementation? Machine generation of LCDGT terms in 385 and 386 fields (as well as 370, 046, etc.) incorporated into: The MLA/CMC/VS project to derive faceted data from LCSH headings The recommendations of the ALCTS/SAC Working Group on Full Implementation of LC Faceted Vocabularies Authority records are part of the picture too

  14. LCDGTDevelopment Developed in phases Pilot phases 1 and 2 completed in 2015 Assisted by ALA/ALCTS Subject Analysis Committee working group Currently in Pilot phase 3 (extended to end of 2017) As of February 2016, about 800 terms in thesaurus Hundreds of terms in the proposal pipeline Still issues to work out (e.g., local demonyms)

  15. LCDGTDevelopment Can I propose a term for LCDGT? Yes!! (Please do!) Terms needed in current cataloging will be accepted for consideration Per LC-PSD, no retrospective projects Current cataloging includes authority records created/updated in the process SACO libraries can propose using existing Minaret system Be sure to search to see if your desired term is already in the pipeline Non-SACO libraries can submit music-related demographic terms via the SACO Music Funnel

  16. Thank you! Questions?? Janis Young (LC PSD) jayo@loc.gov Casey Mullin casey@mullingroup.com Nancy Lorimer (SACO Music Funnel coordinator) nlorimer@stanford.edu

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