Re: Question about isbn and other standardized numbering schemes

Thanks Richard. That's very helpful.

Regards,



_____________________________________________________
Jacob Jett
Research Assistant
Center for Informatics Research in Science and Scholarship
The Graduate School of Library and Information Science
University of Illinois at Urbana-Champaign
501 E. Daniel Street, MC-493, Champaign, IL 61820-6211 USA
(217) 244-2164
jjett2@illinois.edu



On Thu, Oct 8, 2015 at 1:12 PM, Richard Wallis <
richard.wallis@dataliberate.com> wrote:

> Hi Jacob,
>
> I will answer question 2. first.  All properties in the Schema.org
> vocabulary are optional an optionally repeatable.
>
> isbn, is a well recognised property for books, especially in a commercial
> environment, and hence has been part of the vocabulary from the beginning
> and well before a bibliographic focus has been  applied to its enhancement.
>
> The topic of generic identifier patterns were discussed
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.w3.org_community_schemabibex_wiki_Identifier&d=AwMFaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=npggDwlZ6PziBzPBZthSo0f8iGOgRMf9ulO6o4WwfiA&m=Ngs2cWFaUAx_ELtjkCaQo9WvYWit2AGQHaPEGiz37nw&s=1I6VDpLHoDgLPnCG_dNmkmLKZk7-jYY-JSCvxLhdE6U&e=>
> in the Schema Bib Extend W3C Community Group
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.w3.org_community_schemabibex_&d=AwMFaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=npggDwlZ6PziBzPBZthSo0f8iGOgRMf9ulO6o4WwfiA&m=Ngs2cWFaUAx_ELtjkCaQo9WvYWit2AGQHaPEGiz37nw&s=3lXyrjydHPzbs-SMfyI5AO2bms8hExzuONfUtf0ONNo&e=>,
> which has ben responsible for many bibliographic enhancement/extension
> proposals for schema.org
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__schema.org&d=AwMFaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=npggDwlZ6PziBzPBZthSo0f8iGOgRMf9ulO6o4WwfiA&m=Ngs2cWFaUAx_ELtjkCaQo9WvYWit2AGQHaPEGiz37nw&s=Vr-b4Hkkc8inKJrVqtjJUUi8fx4-62nL-lXU7dgq6MQ&e=>,
> and more recently the bib.schema.org extension
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__bib.schema.org&d=AwMFaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=npggDwlZ6PziBzPBZthSo0f8iGOgRMf9ulO6o4WwfiA&m=Ngs2cWFaUAx_ELtjkCaQo9WvYWit2AGQHaPEGiz37nw&s=4VF2AnYGVBG3OW5MFmIvMggjM5STMxWhFRFKoSz6dAI&e=>.
> After discussion the approach was not recommended.
>
> In practice LCC, Dewey number, and other identifiers are handled by
> referencing the subject, author, classification entity they identify, and
> are therefore not direct properties of the CreativeWork [Book] being
> described. The about property is usually used to relate the CreativeWork to
> these.  Checkout the 'Linked Data' tab on this page
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.worldcat.org_title_zen-2Dand-2Dthe-2Dart-2Dof-2Dmotorcycle-2Dmaintenance-2Dan-2Dinquiry-2Dinto-2Dvalues_oclc_673595-26referer-3Dbrief-5Fresults&d=AwMFaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=npggDwlZ6PziBzPBZthSo0f8iGOgRMf9ulO6o4WwfiA&m=Ngs2cWFaUAx_ELtjkCaQo9WvYWit2AGQHaPEGiz37nw&s=jOvCcHpYjsCX_TJSjMzW5CUstt2542h95qOLfktDVaE&e=>,
> and any other result, from OCLC's WorldCat for an example of this.
>
> You may find OCLC's work, publishing [using schema.org
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__schema.org&d=AwMFaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=npggDwlZ6PziBzPBZthSo0f8iGOgRMf9ulO6o4WwfiA&m=Ngs2cWFaUAx_ELtjkCaQo9WvYWit2AGQHaPEGiz37nw&s=Vr-b4Hkkc8inKJrVqtjJUUi8fx4-62nL-lXU7dgq6MQ&e=>]
> 300+ Million bibliographic resource descriptions linked to related work
> descriptions in this are helpful in your analysis.
>
> ~Richard.
>
>
>
>
> Richard Wallis
> Founder, Data Liberate
> http://dataliberate.com
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__dataliberate.com&d=AwMFaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=npggDwlZ6PziBzPBZthSo0f8iGOgRMf9ulO6o4WwfiA&m=Ngs2cWFaUAx_ELtjkCaQo9WvYWit2AGQHaPEGiz37nw&s=18Lh3gtb-xCP6NcCZrZQYUixSum0Gi2PnAijMSOmQ38&e=>
> Linkedin: http://www.linkedin.com/in/richardwallis
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.linkedin.com_in_richardwallis&d=AwMFaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=npggDwlZ6PziBzPBZthSo0f8iGOgRMf9ulO6o4WwfiA&m=Ngs2cWFaUAx_ELtjkCaQo9WvYWit2AGQHaPEGiz37nw&s=ZLNJzgEhcBbwiUZeM5mdus_ZL5BqZLe5We7Gys3x-i8&e=>
> Twitter: @rjw
>
> On 8 October 2015 at 18:29, Jacob Jett <jjett2@illinois.edu> wrote:
>
>> Hi all,
>>
>> I'm a researcher examining the plausibility of walking library MARC
>> format metadata into the schema.org
>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__schema.org&d=AwMFaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=npggDwlZ6PziBzPBZthSo0f8iGOgRMf9ulO6o4WwfiA&m=Ngs2cWFaUAx_ELtjkCaQo9WvYWit2AGQHaPEGiz37nw&s=Vr-b4Hkkc8inKJrVqtjJUUi8fx4-62nL-lXU7dgq6MQ&e=>
>> ontology. I see that one of the properties of schema:Book is schema:isbn. I
>> had two questions.
>>
>> 1) Is there a generic property that allows me to assert additional
>> identifiers, such as classification numbers (e.g. LCC number)?
>>
>> 2) Is the model's expectation that all books have ISBNs? Because that
>> simply isn't true. At best ISBN is a contingent property of books (some
>> have them and some do not, especially as you track back in time). Does this
>> mean that schema:isbn is an optional property for schema:Book(s)? Doesn't
>> it make more sense to just have a more generalized property that works with
>> any standardized numbering scheme?
>>
>> For example
>>
>> schema:Book schema-ex:identifier schema-ex:Identifier .
>>
>> schema-ex:Identifier schema-ex:identifierType
>> schema-ex:IdentifierStandard .
>>
>> And then have a similar set of properties for standardized classification
>> schemes.
>>
>> Thanks,
>>
>> Jacob
>>
>> _____________________________________________________
>> Jacob Jett
>> Research Assistant
>> Center for Informatics Research in Science and Scholarship
>> The Graduate School of Library and Information Science
>> University of Illinois at Urbana-Champaign
>> 501 E. Daniel Street, MC-493, Champaign, IL 61820-6211 USA
>> (217) 244-2164
>> jjett2@illinois.edu
>>
>>
>