Re: [BSLWAC] LC Genre/Form (LCGFT) - Authority Records
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> On 3/16/2011 11:46 AM, Adam L. Schiff wrote: > Karen,
> The problem that we would have with returning LCSH that matches terms coded 655 _0 is that we have > separate subject and genre indexes in our catalog. An authority with 150 will be indexed in the subject > index, while one with 155 would go into our genre index. The only way a match on LCSH would work well > in our particular situation would be if you returned that LCSH authority but with all of the tags > changed from X50 to X55.
> Of course that would create additional issues as well since we are likely to also have the LCSH > authority for use in the subject index and it wouldn't be wise to have two different records with the > same LCCN and reference structure that might not be needed in the genre index.
> Probably what would work best in our situation would be to match 655 _0 against LCSH but not return > subject authorities. We would already have the authority anyway if that term had been used as a > subject.
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > Adam L. Schiff > Principal Cataloger > University of Washington Libraries > Box 352900 > Seattle, WA 98195-2900 > (206) 543-8409 > (206) 685-8782 fax > aschiff@??? > http://faculty.washington.edu/~aschiff > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> On Tue, 15 Mar 2011, Karen Anderson wrote:
> Nate asked me to respond to the excellent point you raise about 655?s with 2nd indicator 0.
> A 2nd indicator of ?0? in a 655, means that the term came from the LCSH file. My > understanding of current practice > is that if there is no 155 authority term available, then an appropriate 150 term may be > used as a 655 in a > bibliographic record. So, if our system matches a 655 _0 to a LCSH subject term, it would > be considered valid, and > we would return the LCSH subject record.
> Everyone?s systems are different and I can see that not everyone would want subject > authority records for genre/form > terms. If our default process doesn?t work for you, we can offer options based on > individual institutions? needs. > For instance, you could choose not to have the 655_0 matched against the LCSH at all. Or we > could match them, but > not return the subject authority records.
> 655?s with 2nd indicator values other than ?0? (or 7 and $2lcgft) will be matched against > the file indicated in the > $2 as always, according to the client?s profile. Profiles may always be changed with your > project manager.
> We appreciate your comments and would welcome any other suggestions, questions, or comments > that you may have.
> Karen Anderson
> On 3/15/2011 2:42 PM, Adam L. Schiff wrote: > Nate,
> 655 headings with other 2nd indicator and $2 subfield values will be processed > as they are > currently per client > profile.
> My understanding is that all of the existing 155 authority records that are currently > coded with second > indicator 0 in bib. records will be cancelled and new authorities with prefix gf will > replace them. > Therefore, you will not have any LCSH genre authorities to match on, so you won't be > able to return > authorities for any terms that aren't in LCGFT. Unless I am misunderstanding, and > what you are saying > is that you will actually match against LCSH authorities. But if that is the case, > what can you return > in the way of a genre authority?
> For example, let's say we send a bib. record that has this:
> 655 _0 Science fiction poetry.
> There is not currently a 155 authority for this, and so there will not (at least in > the short term) be > an LCGFT authority for it. So you have nothing to match on there. But you could > match against LCSH:
> 150 Science fiction poetry.
> But what could you return to us in that case, since all there is is a subject > authority, not a genre > authority?
> --Adam > ************************************** > * Adam L. Schiff * * Principal Cataloger * > * University of Washington Libraries * > * Box 352900 * > * Seattle, WA 98195-2900 * > * (206) 543-8409 * * (206) 685-8782 fax * > * aschiff@??? * **************************************
> _______________________________________________ > BSLWAC mailing list > BSLWAC@??? > http://mailman.xmission.com/cgi-bin/mailman/listinfo/bslwac
> -- > Karen Anderson > Authority Control Librarian > Backstage Library Works > 533 East 1860 South > Provo, Utah 84606 > 1-800-288-1265 > kanderson@???
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