I gave a presentation on the TRLN project that Jason previously referred to
at SAA this past year.

Here is a link to my ppt, which includes some basic diagrams of the system
architecture and some screenshots of the user interface:

You might find the speaker notes helpful as well.  In brief, we are merging
EAD records and MARC records for the same collection into a third hybrid
record that is indexed in our discovery layer (Endeca).  The hybrid record
includes the entire container list or <dsc> section.



Noah Huffman

Archivist for Metadata and Encoding

Rare Book, Manuscript, and Special Collections Library

Duke University Box 90767, Smith Warehouse Durham, NC 27708


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On Mon, Jan 24, 2011 at 5:08 PM, Kate Bowers <[log in to unmask]>wrote:

>  I have a follow up question to those with OPAC's that index EAD (minus
> Eric as he already explained).  How deep does the EAD indexing go?  Is only
> collection level information scrapped or can users search directly into
> container lists from the general OPAC?
> Harvard's indexes the full finding aid.
> Okay one more, how does the OPAC interact with the EAD xml files?  Is EAD
> information scrapped (EAD header?  Collection level <did>?) and a MARC
> record generated or does the index work directly with the XML?
> The collection-level MARC record and the finding aids both exist.  In the
> opac, there is a link right below the title for "more about this collection"
> that opens the full finding aid.
> An example:
> Click on <<more about this collection>> to see the finding aid with links
> to digitized contents
> To get back to the bib. record, click on "Standard view"
> Thanks again!
> Nathan
> On Fri, Jan 21, 2011 at 6:12 PM, Nathan Tallman <[log in to unmask]>
> wrote:
>  Just out of curiosity, is anyone using an online catalog that is entirely
> EAD-based?  I know many institutions catalog monographs and other items more
> suitable for MARC, but not everyone might.  It's certainly possible and an
> interesting idea.
> On the flip side, does anyone's traditional online catalog index EAD as
> well as MARC?  Maybe a federated search of some sort.  Seems like I remember
> seeing one.
> Happy Friday!
> Nathan Tallman,
> Associate Archivist
> American Jewish Archives
>  Kate Bowers
> Collection Services Archivist
> Harvard University Archives
> Cambridge, MA 02138
> voice:  (617) 384-7787
> fax:    (617) 495-8011
> email:  [log in to unmask]