Skip to main content   Porting data overview  Implementation
scenarios: where does the metadata come from?  OAI-PMH
repository implementations consist of request- and error-
handling scripts that draw on a relational database (RDBMS) for
the metadata they deliver. In practice, this is because
implementations that relied on real-time extraction of metadata
from documents in a file tree would be unacceptably slow. So for
practical purposes the question becomes one of how the metadata
finds its way into the RDBMS, and that in turn depends on the
nature of the documents themselves,  Guided tour of Layer 1
prototype  What's here  [NB: this is a guided tour of an
experimental service. It bounces around a lot, so if it's not
working for you, try again. Frustration at repeated,
unsuccessful attempts can be vented at the author, tom-dot-
bruce[somewhere in the vicinity of]cornell-dot-edu]  This
"guided tour" will walk you through the prototype OAI repository
server at the Legal Information Institute. It includes a littl