[Web4lib] Can a DOI identify a web site?
Grace J. Agnew
gagnew at rci.rutgers.edu
Mon Apr 2 10:25:47 EDT 2007
It's important to understand the intent of a permanent identifier, such
as a DOI. The identifier is intended to be a permanent surrogate and
pointer to a resource that may have many volatile aspects--generally the
physical location is presumed to be volatile, and thus the identifier
points to metadata in a directory that "resolves" to the current
location of the resource. That metadata can also provide provenance
information, indicate what has changed about the resource, etc. It is
expected that the identifier will be globally unique and so durable that
it can outlast the resource, and then ideally point to historical
metadata about the defunct resource.
Different identifier systems offer different strategies. DOI uses the
<indecs>rdd metadata data dictionary and the ontologyX data model to
provide a reference metadata implementation within the identifier
directory database. DOI requires that support for a core metadata
implementation and encourages DOI users to also map their metadata to
the DOI metadata schema. For other identifier systems, which don't
include a rich metadata strategy but generally just resolution to the
current physical location of the resource, you might want to assign the
identifier to a package that bundles the metadata, structure map and
resource. Since we use METS, which encapsulates the resource into the
metadata, we assign our handle to the METS document (metadata, structure
map, resource datastreams, and behaviors. Other systems that provide
this packaging or bundling include MPEG-21 and MXF.
Grace Agnew
Thomas Bennett wrote:
> A WEB site
>
>
> On Wednesday 28 March 2007 23:43, christina struik wrote:
>
>> Hello,
>>
>> I have reading about DOIs and I just cannot figure out if a web site counts
>> as an "object" or if pages within the site must have separate DOIs.
>>
> From the little I have read on DOI, "is for identifying content objects in
> the digital environment". I would think a WEB site is a container for the
> objects not an object itself.
>
>
>
>> Does the (usually changing) web site content make it difficult to link to
>> content?
>>
> Since their is not a standard on how a WEB server program identifies its
> content as objects it is difficult.
>
>
>> Can a web site have a DOI that relies solely on metadata so that when the
>> site changes URL the DOI follows the site?
>>
> Depends on your server software and settings sort of. All content in Zope
> server is in an Object Database with possible exceptions of database adapters
> to other databases and products that allow direct file system storage. A
> zope/plone WEB site has OIDs (Object IDs) for every item: images, folders,
> documents, scripts, database connectors, etc. In plone using KUPU (a wysiwyg
> html editor) in its configuraiton for the site you can check
>
> " Link using UIDs
> Links to objects on this site created by Kupu can use unique object ids so
> that the links remain valid even if the target object is renamed or moved
> elsewhere on the site."
>
> Now if there were a DOI to OID table built into Plone, this would work even if
> the page were moved. Also would probably need a DOI harvester to keep the
> table updated for new material.
>
>> I am doing my degree in library and information studies and I have seen web
>> documents linked by DOI but have not yet come across DOI-linked web sites
>> when they are included in a library catalog. It would be useful to have
>> more stability in catalog web site links.
>>
>
> That would be a DOI itself pointing to a container if you mean a catalog entry
> pointing to a WEB site not a DOI in a WEB site.
>
>> Thank-you for your time,
>>
> You're welcome.
>
>> Christina Struik
>> _______________________________________________
>> Web4lib mailing list
>> Web4lib at webjunction.org
>> http://lists.webjunction.org/web4lib/
>>
>
> Or have I totally misunderstood the DOI?
>
>
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