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Dear Malcolm,
 
The  British Library AC team averaged 3 an hour, or an average of 20 minutes an item during May.  This can be taken to be a reasonable ball-park figure, with various caveats.  Checking headings in books is possibly more complex than doing it from downloaded records, and the time taken would depend on the amount of research done - are printed reference sources or the Internet consulted, are these simple personal names, or more complex corporate issues?
 
In terms of the wider question of whether it is worth doing.  I believe it is.  One of the fundamental questions that a catalogue has to answer is, "what do you have by this author / on this topic?"  Without a common heading or identifier this is impossible.   Since the implementation of our Integrated Library System in 2004, we have been able to invest in retrospective alignment of legacy catalogue headings with LC/NACO.  Earlier this year we passed the milestone of 1 million headings aligned, which sounds good, until you consider that the legacy British Museum catalogue inherited by the BL contains 4m records whose headings, atlhough internally consistent, do not follow LC/NACO.  This work will continue, but future expansion of authority control to journal articles and electronic resources (necessary for researchers) will be dependent on automation of parts of the process.  This in turn is dependent on richer and more explicit data for machine matching and the implementation of identifiers, such as the International Standard Name Identifier, which ISO is currently developing.
 
 
Alan Danskin
Data Quality & Authority Control Manager,
British Library
Boston Spa, Wetherby,
West Yorkshire
LS23 7BQ
United Kingdom
 
Tel. +44 (0)1937 546669
Fax. +44 (0)1937 546979


From: Bibliographic standards in UK libraries [mailto:[log in to unmask]] On Behalf Of Malcolm Jones
Sent: 19 June 2008 14:20
To: [log in to unmask]
Subject: Re: Authority Indexes

Does anyone who does authority checking have a ball-park figure for the time taken, eg an experienced person checks x records per hour, what is the value of x?
 
Malcolm Jones
Project Manager
Encore!
73 Oxford Road
Moseley
Birmingham
B13 9SG
 
0121 449 7139
07799265097
[log in to unmask]
www.peri.nildram.co.uk
 


From: Bibliographic standards in UK libraries [mailto:[log in to unmask]] On Behalf Of Newton, Ruth
Sent: 19 June 2008 10:55
To: [log in to unmask]
Subject: Re: Authority Indexes

Dear all,
At Imperial College London we check all records on a weekly basis, using the OCLC authority file. Our own authority file is checked regularly and where necessary cross-refs and see also refs are created.
As part of the current restructuring exercise here, we have just been informed that all cataloguing and classifying is now to be outsourced. Does anyone else have experience of this and can tell us if this will affect the quality of our catalogue?
 
Ruth Newton
Head of Cataloguing
Central Library
Imperial College London
Tel: 0207 594 8882


From: Bibliographic standards in UK libraries [mailto:[log in to unmask]] On Behalf Of Deborah Offen
Sent: 19 June 2008 10:08
To: [log in to unmask]
Subject: Re: Authority Indexes

Hi,

 

I would reiterate what others have already said really.  At the University of Worcester, the librarians involved with cataloguing see the consistency within our authority and subject headings as an important factor in users being able to find the resources they need in the easiest and most efficient way possible.  We currently check the authorities on all of the imported records for new titles against our own authority file (which we have tried as far as possible to keep in line with LC) and we would use LC headings for any new authorities that we create.  We will be moving away from imported record checking in the near future, but via Talis will still be able to run regular reports of all newly acquired authorities, which we will endeavour to update in line with our existing list.

 

Deborah Offen

Subject collections Librarian

University of Worcester

 


From: Bibliographic standards in UK libraries [mailto:[log in to unmask]] On Behalf Of Colin Duncan
Sent: 18 June 2008 16:08
To: [log in to unmask]
Subject: Re: Authority Indexes

 

Hello Jane,

 

I believe that the exercise of  authority control is an essential part of the maintenance of any library catalogue to ensure consistency of name and subject headings. The aim of authority control is surely to create unique headings for each author, editor and subject heading and to provide references from variant names and subjects. If we do not do this the library user will take longer to find all works held by specific authors or about specific subjects.

 

At Inverclyde Libraries in Greenock, Scotland, I train our  library assistant cataloguers to apply the principles of authority control and ask them to check the headings in new downloaded MARC21 records against our authority index. Some downloaded records differ in their punctuation from our own so I replace these with the authority records from our index. If this is not done duplicate headings appear in the library catalogue. While this takes time it is worth doing in order to maintain consistency and to practice authority control. I have prepared a PowerPoint presentation and guide to the MARC21 Authorities format for cataloguers here. I also find the LC authorities file very useful for checking established name headings.

 

I'm amazed that some libraries no longer exercise authority control in their catalogues. While it may save money in the short-term not to do so, in the long-term library customers will not be able to find the books they want.

 

Colin Duncan

Electronic Services Librarian

Inverclyde Libraries

Tel. 01475 712348

 

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