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Has anyone looked at using the Classify web service for this? [1] It doesn't have a batch mode, but it has a web service [2]. Roy [1] http://oclc.org/research/activities/classify.html [2] http://classify.oclc.org/classify2/api_docs/index.html On Tue, Dec 10, 2013 at 2:53 PM, Kyle Banerjee <[log in to unmask]>wrote: > This is my inclination. However, if the algorithm doesn't incorporate > values from the tables used to synthesize Dewey numbers, identifying the > stems of numbers may be tricky. It might be worth calling up someone at a > major Dewey library like UIUC or Northwestern to see if they might be > willing to provide data to add to what you get from LC. > > kyle > > > On Tue, Dec 10, 2013 at 1:18 PM, Edward Summers <[log in to unmask]> wrote: > > > Not a naive idea at all. If you have the stomach for it, you could > extract > > the Subject Heading / Dewey combinations out of say the LC Catalog MARC > > data [1] to use as training data for some kind of clustering [2] > algorithm. > > You might even be able to do something simple like keep a count of the > > Dewey ranges associated with each subject heading. > > > > I’m kind of curious myself, so I could work on getting the subject > heading > > / dewey combinations if you want? > > > > //Ed > > > > [1] https://archive.org/details/marc_records_scriblio_net > > [2] https://en.wikipedia.org/wiki/Cluster_analysis > > > > On Dec 10, 2013, at 8:18 AM, Irina Arndt <[log in to unmask]> wrote: > > > > > Hi CODE4LIB, > > > > > > we would like to add DDC classes to a bunch of MARC records, which > > contains only LoC Subject Headings. > > > Does anybody know, if a mapping between LCSH and DDC is anywhere > > existent (and available)? > > > > > > I understood, that WebDewey > > http://www.oclc.org/dewey/versions/webdewey.en.html might provide such > a > > service, but > > > > > > · we are no OCLC customers or subscribers to WebDewey > > > > > > · even if we were, I'm not sure, if the service matches our > needs > > > > > > I'm thinking of a tool, where I can upload my list of subject headings > > and get back a list, where the matching Dewey classes have been added > (but > > a 'simple' csv file with LCSH terms and DDC classes would be helpful as > > well- I am fully aware, that neither LCSH nor DDC are simple at all...) . > > Naïve idea...? > > > > > > Thanks for any clues, > > > Irina > > > > > > > > > ------- > > > > > > Irina Arndt > > > Max Planck Digital Library (MPDL) > > > Library System Coordinator > > > Amalienstr. 33 > > > D-80799 Muenchen, Germany > > > > > > Tel. +49 89 38602-254 > > > Fax +49 89 38602-290 > > > > > > Email: [log in to unmask]<mailto:[log in to unmask]> > > > http://www.mpdl.mpg.de > > >