RE: [ACAT] OPAC access via LCC browsing: Browsing by SuDocs number

["Christopher C. Brown" <cbrown@xxxxxxxxxx>]

I have developed a way to browse by SuDocs number using III. To see the
project, go to:
http://library.du.edu/About/collections/GovernmentDocuments/browse/

I did this using an Access database. If people are interested in the
methodology, I could write it up.

Chris Brown

Christopher C. Brown
Government Documents / Reference Librarian
University of Denver, Penrose Library
Denver, CO, USA
tel./voicemail: 303-871-3404
email: cbrown@xxxxxxxxxx
Web site: http://www.du.edu/~cbrown/


-----Original Message-----
From: innopac-admin@xxxxxxxxxx
[mailto:innopac-admin@xxxxxxxxxx] On Behalf Of Ann Kebabian
Sent: Monday, November 03, 2003 6:52 AM
To: enhance@xxxxxxxxxx; innopac@xxxxxxxxxx
Subject: FW: [ACAT] OPAC access via LCC browsing

To both the III enhance folks, and the Innopac list folks:

Here's an extremely interesting interface for searching by
classification numbers.  I really like the way it uses the hierarchical
nature of the schedules to lead the user from broad categories to more
specific topics -- one of the great strengths of both Dewey and LC
classification schemes.  

Go to  http://subito.biblio.etc.tu-bs.de/clas/ and choose your area of
interest!  As Mr. Eversberg says, their catalog is not too flush with
actual LC call numbers in the records, but there are enough of them to
see how the classification browser would work.

I think this is a really important development.  I'd like to see III
work on something along these lines.  It would be much more like actual
browsing than clicking on a specific call number and getting a range of
things on either side, and as I said, it puts into play one of the
greatest strengths of the LC or Dewey systems.

Ann Kebabian
Head of Cataloging
Colgate University
Hamilton, NY 13346
Phone: 315-228-7309
Fax: 315-228-7934
Email: akebabian@xxxxxxxxxx


-----Original Message-----
From: Bernhard Eversberg [mailto:ev@xxxxxxxxxx] 
Sent: Friday, October 31, 2003 10:23 AM
To: AUTOCAT@xxxxxxxxxx
Subject: [ACAT] OPAC access via LCC browsing

Experimentally, we can now provide access to our OPAC via LCC and Dewey.

 From copy cataloging, we have a number of LC records in our database,
and
we have retained Dewey numbers and LC classes. Hitherto, these had not
been made use of. Now, there's a new, experimental interface:
http://subito.biblio.etc.tu-bs.de/clas/

It offers browsing and keyword searching in the LCC schedules, and from
there, OPAC access. This OPAC version (not the real one!) has one
special
index that shows the LCC class numbers with captions and then the
classed
titles below them.

With DDC, there's browsing and keyword searching only in the 3-digit
numbers, as much as OCLC would allow. But these classes have German
captions along with the English ones, as provided by the ongoing
translation project       http://www.ddc-deutsch.de

Our OPAC contains some 1 mio records, but only some 40.000 have LCC.
These
are probably not the worst books, but there should be a fair number of
other good titls. This new access can therefore only be an addition to
the
other subject access functions we already have. There are many LC
classes
with no entry in our catalog, of course.

The classification database is actually a separate database, containing
some 8.000 LCC classes (not the full schedules!), the 1000 DDC main
classes, plus some 2.000 Pica class numbers, an altogether different
system. All the captions are searchable in the keyword index. Only when
displaying the record of one particular class, say NA4590-5621, is there
a
link to "Books about this", which then goes into the OPAC.

The example just mentioned, while we are at it, displays like this:

                           [Books about this]
N -- Visual Arts (General)
 NA -- Architecture
 NA1-9428 -- Architecture
 NA4100-8480 -- Special classes of buildings
 NA4170-8480 -- Classed by use
 NA4170-(7020) -- Public buildings
Class:  NA4590-5621
Subject:        Religious architecture. Churches, Cathedrals

which means you get the full hierarchy above that particular class.
Don't
ask how we are doing that ;-) But this may be useful in and out of
itself,
apart from the catalog access function. What do you think? ClassWeb will
be found far superior, of course. No commercial use of out
implementation
is intended, AGWS.

Bernhard Eversberg
Universitaetsbibliothek, Postf. 3329,
D-38023 Braunschweig, Germany
Tel.  +49 531 391-5026 , -5011 , FAX  -5836
e-mail  B.Eversberg@xxxxxxxxxx

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