I was in Yale for a couple of days this week where there was a little discussion about EAC (encoded archival context):
For some time, archivists have been discussing the need for a standard structure for the recording and exchange of information about the creators of archival materials. Following up on these discussions, a group of archivists met in Toronto, Canada, in March 2001 to create a high-level model for such information and to draft a strategy for implementing that model and testing it. The group has termed the model “Encoded Archival Context” (EAC) to emphasize its important role in archival description and its relationship with the Encoded Archival Description standard. [EAC]