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These constructions will all control in OCLC:

650 _0 Automobiles $x Civil rights.

650 _0 Dogs $x Parking.

650 _0 Frogs $x Antilock brake systems.

651 _0 United States $x Corrosion.

630 00 Bible $x Overdose.

600 10 Hitler, Adolf, $d 1889-1945 $x Creep.

650 _0 Doors $x Cryosurgery.

650 _0 Good and evil $x Locomotion.

650 _0 Amnesiacs $x Memorizing.

610 20 Harvard University $x Effect of drugs on.

Until all main headings are coded with the type of heading that they are, systems won’t be able to be developed to disallow invalid combinations of headings and free-floating subdivisions.  LC Policy and Standards Division is starting to add codes for some types of headings to newly created subject authority records, but so far this is just a drop in the bucket, and I’m not aware of any system that has been developed to use these codes to validate string combinations.  For example, you can see 072 fields on some of the records shown in the most recently published approved list (https://classificationweb.net/approved-subjects/1706.html):

150

  Abazin literature    [May Subd Geog]    [sp2017003194]




053

  PK9201.A2-PK9201.A295




551

  BT Russia (Federation)--Literatures






150

  Actaea    [May Subd Geog]    [sp2017003185]


(C)

053

  QK495.R215 (Botany)




072

  H 1180




450

 UF Baneberry




550

 BT Ranunculaceae






150

  African American soldiers in motion pictures    [Not Subd Geog]    [sp2017003175]


(A)

550

BT Motion pictures






150

  Agob language    [May Subd Geog]    [sp2017003331]


(C)

450

  UF Dabu language




551

  BT Papua New Guinea--Languages




550

  BT Papuan languages






150

  Ahmadzai (South Asian people)    [May Subd Geog]    [sp2014100167]




450

  UF Aḥmadzay (South Asian people)




450

  UF Aḥmadzī (South Asian people)




550

  BT Ethnology--Afghanistan




550

  BT Ethnology--Pakistan




550

  BT Pushtuns






100

  Alighieri family    [Not Subd Geog]    [sp2017003281]




072

  H 1120






150

  Animals in education    [May Subd Geog]    [sp2017003189]


(A)

053

  LB1044.9.A65




550

  BT Teaching--Aids and devices



…

150

  Behavior genetics    [sp 85012896 ]




450

  UF Human behavior genetics ADD FIELD






100

  Benavente, Dukes of    [Not Subd Geog]    [sp2016000394]




072

  H 1120




400

  UF Dukes of Benavente




550

  BT Nobility--Spain






150

  Birds of prey in literature    [Not Subd Geog]    [sp2017002972]


(A)



110

  Birmingham Terminal Station (Birmingham, Ala.)    [sp2017000176]




410

  UF Terminal Station (Birmingham, Ala.)




550

  BT Railroad stations--Alabama



…

150

  Buchères Massacre, Buchères, France, 1944    [sp2017000091]


(C)

550

  BT Massacres--France




550

  BT World War, 1939-1945--Atrocities--France






150

  Bugbane CHANGE HEADING




150

  Actaea racemosa    [May Subd Geog]    [sp 85017668 ]




053

  QK495.R215 (Botany)




072

  H 1180




450

  UF Baneberry, Black




450

  UF Black baneberry




450

  UF Black bugbane




450

  UF Black cohosh




450

  UF Black snakeroot




450

  UF Bugbane [Former heading]




450

  UF Bugbane, Black




450

  UF Cimicifuga racemosa




450

  UF Cohosh, Black




450

  UF Snakeroot, Black




550

  BT Actaea



You can see from the above sample that LC is adding an 072 with the appropriate instruction sheet from the Subject Headings Manual to headings for plants and names of families.  Since the free-floating subdivision authority records also have 072s, systems could be developed to validate strings of main headings and free-floating subdivisions.  But is anyone even considering developing this capability yet?  Perhaps some authority control vendors have thought about it?  The inclusion of 072 in all subject headings (and name authorities too probably)  would have to be comprehensive for this to really work well.

Adam Schiff
University of Washington Libraries


From: Program for Cooperative Cataloging [mailto:[log in to unmask]] On Behalf Of Dickerson, Eugene H
Sent: Friday, August 04, 2017 12:45 PM
To: [log in to unmask]
Subject: Re: Form subdivision--Commentaries

I agree with what Bob is expressing about the rules for subdivision use being overly restrictive.

I understand that there is a trade-off when using a controlled vocabulary in that you may end up with constructions that are awkward or end up being out-of-date compared with current usage of the language, and that consistent application of the terminology is important for collocation.  However, I think that the example that Bob provided about the use of “Commentaries” makes sense and would make sense to most users.

I’m dealing with a cataloger here who wants to apply subdivisions without any regard to scope of usage instructions.

For example, in a recently cataloged record, I found the text string:

Police brutality—Atrocities—France.

It didn’t look right to me, and after checking the instructions, I found that Atrocities is used as a subdivision under headings for wars, so this construction clearly wasn’t correct.

(Frankly, the string didn’t make sense to me, but as the woman in Pine Sol commercial used to say, “That’s a whole ‘nother help line!”  Even worse was the one I found as Educational innovations—Effect of technological innovations on, which really didn’t make any sense to me at all.)

This cataloger, too, falls into the trap of assuming that if the LCSH controls in OCLC, it’s a valid construction (even though she’s been told repeatedly that this isn’t the case).

Well, at least the Commentaries example makes sense.  As for Police brutality—Atrocities or Educational innovations—Effect of technological innovations on, not so much.

Maybe I should start a list of Cataloging—Atrocities. ☺

(“Atrocities” in LCSH is used with war crimes, so it’s serious business. Thus, I’m not trying make light of atrocities in any way.)

Gene

Eugene Dickerson
Team Leader for Cataloging
Ralph J. Bunche Library
U.S. Department of State
Washington, DC
[log in to unmask]<mailto:[log in to unmask]>
(202) 647-2191 (voice)

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Official - Transitory
UNCLASSIFIED

From: Program for Cooperative Cataloging [mailto:[log in to unmask]] On Behalf Of Robert Maxwell
Sent: Friday, August 04, 2017 12:51 PM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: Re: [PCCLIST] Form subdivision--Commentaries

On this particular issue, another approach would be to ask the question “Why is there this restriction?” A commentary on Aristotle’s Poetics is just as much a commentary as a commentary on the Book of Leviticus. So why in the world shouldn’t we be able to use the subdivision on the former? Our catalog users certainly wouldn’t think anything was strange about “Aristotle. Poetics—Commentaries” and they might in fact find it quite useful. Many of the LCSH rules about subdivisions are overly restrictive, in my opinion.

Bob

Robert L. Maxwell
Ancient Languages and Special Collections Librarian
6728 Harold B. Lee Library
Brigham Young University
Provo, UT 84602
(801)422-5568

From: Program for Cooperative Cataloging [mailto:[log in to unmask]] On Behalf Of Yang Wang
Sent: Friday, August 4, 2017 10:39 AM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: Re: Form subdivision--Commentaries

“--the proper solution is to mark the subdivision usage itself as invalid”

Yes, I agree, if the commonly used subject validation program could detect it, for instance, if “600” present, then “$v Commentaries” is invalid.  My point is, as thousands of new bib records enter OCLC daily and then pass onto thousands of individual institutions, would it be possible for OCLC/FAST to catch and mark them as questionable or invalid (thus no ‡2 fast ‡0 (OCoLC)fst01423723)? One would think it would be both efficient and economical to do so. Otherwise, the effort would be thousand fold more expensive.

Yang

From: Program for Cooperative Cataloging [mailto:[log in to unmask]] On Behalf Of Christopher Thomas
Sent: Friday, August 04, 2017 12:04 PM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: Re: [PCCLIST] Form subdivision--Commentaries

I think one thing that contributes this problem is that people assume a subject heading string is valid if it is controllable in OCLC.  The subdivision authority record for Commentaries includes a 073 field relating it to SHM 1188 (Sacred works), but unfortunately the authority records for sacred works don’t have coding to match up with this.  OCLC can’t tell what is a heading for a sacred work, so it allows the subdivision to be applied more broadly than is appropriate.

Christopher Thomas, M.L.S.| Electronic Resources and Metadata Librarian
(949) 824-7681 | fax (949) 824-6700 | [log in to unmask]<mailto:[log in to unmask]>
Law Library · University of California · Irvine
www.law.uci.edu/library<http://www.law.uci.edu/library>

From: Program for Cooperative Cataloging [mailto:[log in to unmask]] On Behalf Of McDonald, Stephen
Sent: Friday, August 4, 2017 8:27 AM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: Re: [PCCLIST] Form subdivision--Commentaries

The automated FAST generation in OCLC relies on the subject headings being correct.  This is not a special issue with the term Commentaries; it is a problem with every subject heading which is incorrect or invalid.  As you point out, the system cannot tell whether a wide range of subdivisions are used correctly.  There is no good reason to single out the FAST term Commentaries for special attention and work-arounds for correction.  If there is a way to detect that a subdivision is used incorrectly, then the proper solution is not to have a work-around fix for the FAST terms--the proper solution is to mark the subdivision usage itself as invalid.  If that cannot be done in a practical way, then there is also no practical way to detect it for the FAST generation.

                                                                                Steve McDonald
                                                                                [log in to unmask]<mailto:[log in to unmask]>



From: Program for Cooperative Cataloging [mailto:[log in to unmask]] On Behalf Of Yang Wang
Sent: Friday, August 4, 2017 11:03 AM
To: [log in to unmask]<mailto:[log in to unmask]>
Subject: [PCCLIST] Form subdivision--Commentaries

I need to point this out because lately I have been seeing “655 #7 Commentaries. ‡2 fast ‡0 (OCoLC)fst01423723” generated for faulty subject headings everywhere, after names (600),  name/titles (600), secular literary works (630), non-literary works (630). Or has there been a policy change on the use of “$v Commentaries” recently that I am unaware of?

Under SHM H1188 [Sacred works], there is an A-Z list of subdivisions that can be assigned. This is the only place we find the form subdivision $v Commentaries. That is to say, “$v Commentaries” can only be used for sacred works entered under the title in the bib (630 0 [Title]). For secular literary works (whether entered under title or author), there is a different list (H1155.8). Neither “$v Commentaries” nor “$x Criticism and interpretation” can be used for a work that is a commentary on such works.

Now, It’s understandable that the machine cannot tell if “630 00 Anacreontea ‡v Commentaries” is valid or not. But what about “600 00 Aristotle $v Commentaries” or “Aristotle. $t Poetics. $v Commentaries”? Would it be too difficult for OCLC to catch this type of mistakes and not to generate “655 #7 Commentaries. ‡2 fast ‡0 (OCoLC)fst01423723” automatically? Because, by definition, this form subdivision applies only to sacred works.

Just an observation.

Yang
PUL