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BIBFRAME  March 2013

BIBFRAME March 2013

Subject:

Re: MARC Usage in WorldCat

From:

"Ford, Kevin" <[log in to unmask]>

Reply-To:

Bibliographic Framework Transition Initiative Forum <[log in to unmask]>

Date:

Fri, 8 Mar 2013 10:51:55 -0500

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (59 lines)

Dear Roy,

Thanks for this.  I expect it will be extremely useful.  I have a couple of questions about whether something is already possible and I'm not seeing it or, otherwise, what more you might be hoping to do with MARC Usage in WorldCat.

1) Any plans to break out the 008 (and, while at it, the 006 and 007) based on character position?  Ditto for Leader (which does not appear on the list, but we can presume it is used).

2) Any plans to better understand the usage of fields with respect to another field?  For example, the 342 field (geospatial reference data) may have been used only 9,931 times in all of WorldCat [1] but if field 342 is used more than 90% of the time for cartographic material (Leader/06 is "e" or "f") then this one example would would suggest there may be a relative importance of one field in MARC depending on other factors beyond mere usage frequency.

Yours,

Kevin

[1] http://experimental.worldcat.org/marcusage/342.html

--
Kevin Ford
Network Development and MARC Standards Office
Library of Congress
Washington, DC





> -----Original Message-----
> From: Ford, Kevin
> Sent: Friday, March 08, 2013 10:47 AM
> To: Ford, Kevin
> Subject: RE: MARC Usage in WorldCat
> 
> 
> 
> From: Bibliographic Framework Transition Initiative Forum
> [mailto:[log in to unmask]] On Behalf Of Tennant,Roy
> Sent: Wednesday, March 06, 2013 1:09 PM
> To: [log in to unmask]
> Subject: [BIBFRAME] MARC Usage in WorldCat
> 
> Recently I released a new web site/temporary service to report on how
> MARC has actually been used as evidenced by the WorldCat aggregation
> (now about 290 million records):
> 
> <http://experimental.worldcat.org/marcusage/>
> 
> Initially, we report simple numbers on which fields and subfields occur,
> but for some subfields we go further. For selected subfields, we also
> find all of the strings that occur, count their occurrences, and order
> them by that number. For example:
> 
> <http://experimental.worldcat.org/marcusage/2013-01-583a.txt>
> 
> Anyone can request such a report for any given subfield. We intend to
> do this quarterly for 2013, so we can see changes over time. One of our
> goals is to provide a corpus of evidence that may be useful for
> considering opportunities and issues of moving beyond MARC - for
> example, the Library of Congress BIBFRAME work. We have also already
> used it for internal quality control work. Thanks, Roy Tennant OCLC
> Research

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