RE: call number indexing

["Wu, Lisa (OD/ORS)" <wul@xxxxxxxxxx>]

fyi.  I wish that I have also indexed the call numbers in the item records!

-----Original Message-----
From: Jack Hall [mailto:jhall@xxxxxxxxxx]
Sent: Friday, April 26, 2002 9:23 AM
To: innopac@xxxxxxxxxx; innopac@xxxxxxxxxx
Subject: Re: call number indexing


At 03:44 PM 4/25/02 -0400, Susan Deaton wrote:
>Hi,
>
  Can anyone tell me the 
>advantages and disadvantages of indexing call numbers from the item record 
>only, bib record only, or both?
>

I can't outline all these issues, but we must index call numbers from both
bib and item records. When we migrated from an old Geac 8000 system to
Innopac, our call numbers were in item "fields" in the Geac records. I
think we had to put them into Innopac item records when we migrated. Upon
implementation of Innopac, we specified that call numbers be indexed from
both bib and item records. Any OCLC record exported to Innopac from day 1
of implementation on that has the (LC) call number in the OCLC record gets
the call number in the Innopac bib record. We can also put the call number
into the item record upon export by putting it into the 949 field that
represents the item in the OCLC record. 

One reason for having it both places (or one or the other): we are a system
of four different libraries, and each library can have its own call number
for a title. But only one call number can be indexed from the bib record,
so other call numbers must be in the respective item records. Due to the
migration constraint mentioned above, we have scads of item records with
call numbers, many of them identical, and they are all indexed. So if you
do a call number search you often find many hits for the same call number
(from each item record). If we handle an older record for some reason, we
like to add the call number in the bib record and delete it (as long as it
is the same call number, of course) from all the item records. Then you get
only one hit and it seems neater. 

Another example: If we catalog a book for the Music Library that has an
accompanying compact disc, the CD gets an accession number, like all the
CDs in their collection. The book call number (ML...) goes in the bib
record and the CD call number goes in the item record for the CD. Otherwise
we don't use separate call numbers for accompanying materials (except for
the addition of a word like "Index", etc. 

Jack 

Jack Hall
114L University of Houston Libraries
Houston, TX  77204-2000
telephone:(713) 743-9687
e-mail: jhall@xxxxxxxxxx
fax: (713) 743-9748
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