MARC Usage in WorldCat

[Roy Tennant]

I have no plans to try to slice the data based on library type, which would
take some doing in our current data environment. I know that my colleagues
who work on WorldCat Local and WorldCat.org study various aspects of user
interaction, but I don't have something specific I can point you to in
terms of the use of specific MARC elements in searching. Sorry,
Roy


On Mon, Dec 9, 2013 at 9:53 AM, Lawrence, Dan <Lawrence_D at cde.state.co.us>wrote:

>  Absolutely fascinating, thank you for the work and sharing it.  Among
> other things, this will go a long way toward helping us determine the
> feasibility of mapping to SEO-focused formats in discovery.
>
>
>
> Are there any reports (or intentions/dreams to do so) that can attempt to
> get at disaggregating these numbers based on the type of institution with
> holdings (say, public, or academic)?
>
>
>
> Or even, user behavior in the searching of these fields in Worldcat?
>
>
>
> Best,
>
> -Dan
>
>
>
> *Dan Lawrence* | Director, Networking and Resource Sharing |  State
> Library |  Colorado Department of Education | 201 E. Colfax Ave., Room
> 309, Denver, CO  80203| tel 303.866.6907 | cell 720.484.1936 |
> Lawrence_D at cde.state.co.us | ColoradoStateLibrary.org<http://www.cde.state.co.us/cdelib/>
>  |
>
>
>
> *From:* Web technologies in libraries [mailto:WEB4LIB at LISTSERV.ND.EDU] *On
> Behalf Of *Roy Tennant
> *Sent:* Monday, December 09, 2013 10:34 AM
> *To:* WEB4LIB at LISTSERV.ND.EDU
> *Subject:* [WEB4LIB] MARC Usage in WorldCat
>
>
>
> I have been working on a project for the past year in which I have
> informed discussions focused on metadata and cataloging about my progress.
> This announcement is going out to a much wider community in case there are
> others who are interested.
>
>
>
> After about 40 years of using the MARC standard for metadata transfer, and
> with various activities now underway to move this data into new kinds of
> environments, it seems like a good time to inspect the data we have on hand.
>
>
>
> Toward this end, I have reported on the actual usage of MARC tags and
> subfields in WorldCat on a quarterly basis for the past year (there are now
> over 300 million MARC records in the database). Although the formal, and
> accurate, title of the project is “MARC Usage in WorldCat”, I informally
> call it my “ground truthing” activity.
>
>
>
> "Ground truthing" is the process whereby geographic remote sensing data is
> verified or enhanced by on-the-ground observation and measurement. Over the
> past year I have performed a similar function for library cataloging. We
> have used the MARC standard for many decades, but how, exactly? Which
> elements and subfields have actually been used, and more importantly, how?
>
>
>
> The site at <http://experimental.worldcat.org/marcusage/> provides field
> and subfield counts as well as the specific contents of some subfields
> ordered by number of occurrences. There are also visualizations of this
> data available.
>
>
>
> Besides providing a basis of evidence for use in determining opportunities
> and challenges in moving our data into new encodings, this work has already
> helped inform our ongoing data quality work at OCLC.
>
>
>
> I also entertain requests for reports on specific subfields, just email me
> to request or use the link at the bottom of any page on the web site.
> Thanks,
>
> Roy Tennant
>
> OCLC Research
>
>
>
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