Thanks, both of those give me a much better idea.  I know I had used
CONTENTdm data with a Google map almost 2 years ago for a class project but
that involved extracting the data from the admin end into an excel table,
so these show marked improvement.


On Wed, Feb 20, 2013 at 9:27 PM, Chad Nelson <[log in to unmask]> wrote:

> Hi Matt,
>
> The largest hurdle you would face with linked data and ContentDM are the
> inconsistently persistent URLs (to say nothing of the application specific
> jankyness in the url).  When an item is added to a collection in ContentDM,
> it is assigned an ID which is used in the URL, ie
>
> http://digitalcollections.library.gsu.edu/cdm/singleitem/collection/ajc/id/805/
>  .
> However, if at a later point, you make a change to that item, say updating
> the OCR text, the item is given a new ID, and thus is accessed at a new
> URL. However, the old URL does not redirect to the new one, it just dead
> ends, ironically at an error page with a 200 HTTP request status header!
> Wreaks havoc on search engines or any other system that relies on
> persistent URLs, as a Linked data system *may* want to do. :(
>
> That said, ContentDM 6 does have an API through which you can get data
> about any record. It's a little inconsistent, and the docs aren't amazing,
> but you can get most everything out of it that you'd want. So, if you had
> coordinates where and image was taken stored in a metadata field, you could
> use the API to get them and push that onto a Google map. So if you have a
> collection that is static, you probably don't have to worry about the URL
> borking feature they have included.
> More about the ContentDM API:
> http://www.contentdm.org/help6/custom/customize2f.asp
>
> Hope that helps and good luck.
> Chad
>
>
> On Wed, Feb 20, 2013 at 5:25 PM, Matthew Sherman
> <[log in to unmask]>wrote:
>
> > Hello Code4Lib,
> >
> > I was wondering if anyone has had success in using digital data or
> > resources that are stored in CONTENTdm in any linked data projects.  I
> have
> > tried utilizing CONTENTdm data for a small Google Map in the past and
> found
> > it quite difficult to use.  At the same time I have not used CONTENTdm in
> > over a year so I do not know if they have made it easier to exact and
> > utilize information from the system.  I am working on an interview
> > presentation and one of the parts I am trying to tackle involves working
> a
> > set of data into a user friendly system related to a specific
> > topic, possibly using a map.  I know these folks have CONTENTdm currently
> > so I was wondering if I would be able to present a way to work with the
> > existing system or if I should be saying that to make this project work
> > they need to put it into a different CMS.  Any insight folks have had
> > working with linked data in CONTENTdm would be quite welcome.  Thanks.
> >
> > Matt Sherman
> >
>