I would agree with Richard that the OBJID (as the attribute name
suggests) is the identifier for the digital object represented by the
METS document.
It appears that we need to clarify the documentation for this, both in
the schema and the Primer.
Rick Beaubien
Richard Gartner wrote:
> Hi everyone,
>
> I read it as the latter - the object of the METS document. The
> annotation for OBJID itself isn't too clear in the METS schema, but
> the entry for altRecordID states:
>
> "the alternative record identifier element <altRecordID> allows
> one to use alternative record identifier values for the digital object
> represented by the METS document; the primary record identifier is
> stored in the OBJID attribute in the root <mets> element."
>
> which seems to imply that OBJID is also used for the digital object.
>
>
> Or so it seems to me! I may be wrong...
>
> Richard
>
> Riley, Jenn wrote:
>> Hello METS implementers,
>>
>> I'm interested in more information on the semantics of the OBJID
>> attribute
>> on the root <mets> element. Is the intention that the value of this
>> attribute be an identifer for the *METS document* or the *object*
>> represented by the METS document? In our environment, an PURL for the
>> object
>> resolves to a end-user view of an object and a different PURL
>> resolves to
>> the METS document. We're treating these PURLs as identifiers (yes, I
>> know
>> the debate from both sides on whether locators should do double-duty as
>> identifiers...) I'm trying to figure out which to use in OBJID and
>> which to
>> put elsewhere.
>>
>> The 1.8 Schema documentation
>> <http://www.loc.gov/standards/mets/version18/mets.xsd> and the Primer
>> <http://www.loc.gov/standards/mets/METS%20Documentation%20final%20070930%20m
>>
>> sw.pdf> seem to imply the METS document interpretation, but not entirely
>> rule out the object interpretation.
>>
>> So what was the original intention for this attribute? And how are folks
>> actually using it?
>>
>> Thanks,
>> Jenn
>>
>> ========================
>> Jenn Riley
>> Metadata Librarian
>> Digital Library Program
>> Indiana University - Bloomington
>> Wells Library W501
>> (812) 856-5759
>> www.dlib.indiana.edu
>>
>> Inquiring Librarian blog: www.inquiringlibrarian.blogspot.com
>
--
Rick Beaubien
Software Engineer, Research and Development
U.C. Berkeley Library
Contact information:
505-466-6630
88 Herrada Rd
Santa Fe, NM 87508
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