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Ah, but we're not talking about "entry vocabulary", we're talking about labelling shelf ranges. But I agree that the headings for LCC will be less user friendly than LCSH. If there was a way to get LCC-to-LCSH mappings in an easily usable way without paying tens of thousands of dollars, that would be clever. (I'm not sure there's a way to get them even if you DO pay millions of dollars). So I was suggesting using the LCC headings themselves as a more feasible alternate plan, is all. I agree it would be insufficient if we needed an "entry vocabulary". But just for labelling shelf ranges on display, I think it's probably not worse than nothing. Of course, that's up to the implementer, what's better than nothing. > Quoting Jonathan Rochkind <[log in to unmask]>: > > >> For #2, you can provide a useful topical/subject type heading via >> much simpler and more feasible solutions than mapping to LCSH. For >> #2, you don't need a map to LCSH, you need the LCC schedules with >> descriptions of what each range of LCC call numbers is for, in >> machine-readable form. > > I would give the opposite advice. LCC will have fewer pre-composed > headings than LCSH at id.loc.gov, and the terminology associated with > the numbers in digital LCC will be less user-centric than the LCSH > subject headings. cf my most recent blog post: > > http://kcoyle.blogspot.com/2011/10/relativ-index.html > > There isn't any entry vocabulary for users other than LCSH -- which > isn't really entry vocabulary to LCC and is definitely NOT entry > vocabulary to DDC. > > kc > >> >>> Thanks everybody! >>> >>> this is useful for a couple of purposes >>> 1) sometimes we have records that have call numbers, but no subject >>> headings. >>> this would be useful to provide those. >>> 2) i'm thinking of providing a 'subject heading' label to our shelf >>> browser -- >>> so users see, in addition to the callnumber -- what the call number >>> means. >>> >>> thanks again! >>> rick >>> >>> >>> >>> On Tue, Oct 18, 2011 at 2:33 PM, Jonathan >>> Rochkind<[log in to unmask]> wrote: >>>> Anyone know if the OCLC Terminology Service provides such a >>>> mapping? The >>>> Terminology Service may be free if you are already an OCLC cataloging >>>> member. >>>> >>>> At one point I think I saw an absolutely free open access machine >>>> readable >>>> mapping somewhere, that was made at some point in the past and no >>>> longer >>>> updated... but I cant' remember where I saw that even. >>>> >>>>> LC's Classification Web provides a mapping from LC classifications to >>>>> LC subject headings. There is a manual web interface, used mainly by >>>>> catalogers, which requires a subscription: >>>>> http://classificationweb.net/ >>>>> >>>>> I don't know if it has any kind of API. >>>>> >>>>> Keith >>>>> >>>>> >>>>> On Tue, Oct 18, 2011 at 2:11 PM, Enrico Silterra<[log in to unmask]> >>>>> wrote: >>>>>> is there any way to go from a LC call number, >>>>>> like DF853 to http://id.loc.gov/authorities/subjects/sh85057107 >>>>>> via some sort of api? opensearch? >>>>>> thanks, >>>>>> rick >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> Enrico Silterra Software Engineer >>>>>> 501 Olin Library Cornell University Ithaca NY 14853 >>>>>> Voice: 607-255-6851 Fax: 607-255-6110 E-mail: [log in to unmask] >>>>>> http://www.library.cornell.edu/dlit >>>>>> "Out of the crooked timber of humanity no straight thing was ever >>>>>> made" >>>>>> CONFIDENTIALITY NOTE >>>>>> The information transmitted, including attachments, is intended only >>>>>> for the person or entity to which it is addressed and may contain >>>>>> confidential and/or privileged material. Any review, retransmission, >>>>>> dissemination or other use of, or taking of any action in reliance >>>>>> upon, this information by persons or entities other than the >>>>>> intended >>>>>> recipient is prohibited. If you received this in error, please >>>>>> contact >>>>>> the sender and destroy any copies of this document. >>>>>> >>> >>> >> > > >