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 > > >