Joe, I'm not sure if this conforms to what you're talking about, but
have you seen the Library of Congress' OAI-ORE implementation for
On Wed, Mar 10, 2010 at 1:44 PM, Joe Hourcle
<[log in to unmask]> wrote:
> Most of the examples I've seen of OAI-ORE seem to assume that you're
> ultimately interested in only one object within the resource map --
> effectively, it's content negotiation.
> Has anyone ever played with using ORE to point at an aggregation, with the
> expectation that the user will be interested in all parts, and automatically
> download them?
> Let me give a concrete example:
> A user searches for some data ... we find (x) number of records
> that match their criteria, and they then weed the list down to 10
> files of interest.
> We then save this request as a Resource Map, as part of an OAIS
> "order". I then want to be able to hand this off to a browser /
> downloader / whatever to try to obtain the individual files.
> Currently, I have something that can take the request, and create a tarball
> on the fly, but we have the unfortunate situation when some of the data is
> near-line and/or has to be regenerated -- I'm trying to find a good way to
> effectively fork the request into multiple smaller request, some of which I
> can service now, and some for which I can return an HTTP 503 status (service
> unavailable) w/ a retry-after header.
> Has anyone ever tried doing something like this? Should I even be looking
> at ORE, or is there something that better fits with what I'm trying to do?
> Thanks for any advice / insight you can give
> Joe Hourcle
> Solar Data Analysis Center