[DCRM-L] ALA Core SAC Subcommittee on Faceted Vocabularies publishes update to “Retrospective Implementation of Faceted Vocabularies”

[Sarah Hovde]

[cross-posted; please excuse duplication]

The ALA Core SAC Subcommittee on Faceted Vocabularies (SSFV) is pleased to
share Version 1.1 of the document Retrospective Implementation of Library
of Congress Faceted Vocabularies: Best Practices for Librarians and
Programmers, now available via the ALA Institutional Repository:
https://hdl.handle.net/11213/22720.

The updated best practices feature a new module, "Demographic/Geographic:
mapping LCSH heading qualifiers to 386 and 370 fields." This module
provides mappings from qualifiers that describe demographic groups which
appear in LCSH heading constructions (e.g., Cherokee poetry; Folk
literature, Abkhaz; Gay men’s writings) to their corresponding demographic
terms (for use in a 386 field) and geographic place names (for use in a 370
field), along with recommendations for their implementation.

BACKGROUND:

The Retrospective Implementation of Faceted Vocabularies resource describes
a set of best practices for implementers wishing to apply LC faceted
vocabularies--using purpose-built fields in the MARC 21 bibliographic
format--retrospectively to library catalogs, utilizing automated and
semi-automated processes. It is also intended to serve as an ever-growing
hub of information for all matters related to retrospective implementation
of LC faceted vocabularies, including efforts undertaken by specialist
communities of practice, library consortia/cooperatives, library systems
vendors, etc. Lastly, it articulates a “roadmap” for ongoing work by SSFV
and allied communities of practice.

This integrating resource is modular in nature and subject to dynamic,
ongoing updates. Early versions of these best practices will be incomplete.
The new demographic/geographic mapping module joins the other modules are
available to implementers now:

   -

   Genre/Form: mapping MARC fixed field codes to 655 and 385 fields
   -

   Genre/Form: mapping LCSH form subdivisions (and select topical
   subdivisions) to 655, 385, 386 fields
   -

   Genre/Form: mapping LCSH music form headings to 655 fields (not SSFV's
   own work, but a brief description of and links to the Music Library
   Association’s work)
   -

   Medium of Performance: mapping LCSH music form headings to 382 fields (not
   SSFV's own work, but a brief description of and links to MLA's work)

Three appendices contain links to resources for current implementation of
faceted vocabularies, a bibliography of literature on display and indexing
of faceted data, and a list of MARC fields incorporated in mapping modules.


SSFV anticipates updating and re-releasing the summary document
periodically. However, the modules themselves are even more dynamic and
subject to frequent updates, particularly as the LC vocabularies continue
to grow and evolve. Implementers are advised to take into account the “last
updated” date on each module when consulting that module; this date may be
later than the “last updated” date on the summary document. Stay tuned for
further updates to this resource!

If you have questions or comments, please feel free to direct them to Sarah
Hovde, SSFV Chair (shovde at umd.edu).

-- 
*Sarah Hovde*
Monographs & Media Cataloging Librarian
University of Maryland Libraries
shovde at umd.edu
she/her/hers


-- 
*Sarah Hovde*
Monographs & Media Cataloging Librarian
University of Maryland Libraries
shovde at umd.edu
she/her/hers
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