Tue, 3 Apr 2001 06:10:14 -0400
You might also contact Kurt Maly and Xiaoming Liu at Old Dominion about
> -----Original Message-----
> From: Lesli [mailto:firstname.lastname@example.org]
> Sent: Monday, April 02, 2001 1:37 PM
> To: Tim Brody
> Cc: email@example.com
> Subject: Re: [OAI-implementers] Harvesters
> Are there any other OAI harvesters out there besides the one
> that Hussein has (or is
> harvester not the correct term for what Hussein has)? We
> were wondering how many
> there might be and how to check them out.
> Lesli Zimmerman
> Sr. Metadata Specialist
> University of Tennessee
> Tim Brody wrote:
> > On Mon, 2 Apr 2001, herbert van de sompel wrote:
> > > > >From a harvesters point of view (I don't believe there
> are many of us :-), I
> > > > would prefer to have "oai_dc" because that tells me
> explicitly what data I
> > > > can expect to find, rather than having to remember what
> I requested (as far
> > > > as I can tell it is the one part that makes an isolated
> OAI response
> > > > stateful, a real pain if one is using caching or other systems).
> > > >
> > >
> > > The metadataPrefix is only signficiant within the realm
> of a certain
> > > repository. The only exception is the metadataPrefix
> oai_dc, which --
> > > by convention -- refers to metadata expressed in
> unqualified Dublin Core
> > > in all repositories.
> > > * what REALLY tells you which metadata you receive is the
> > > xmlns="http://purl.org/dc/elements/1.1/" . that is a
> global identifier
> > > of the format.
> > Agreed, I guess when using OAI responses I need to delve
> into the XML
> > schema identification to be correct ...
> > > * in addition to that, you do not have to "keep" the
> format you asked
> > > for: all response are self-contained, meaning you can
> tell from the
> > > original protocol request -- which is the content of the
> > > element -- what you asked for. this has been a
> deliberate choice, since
> > > we are indeed talking about robots harvesting metadata, and some
> > > software processing the harvested metadata at a later stage.
> > I have thought of this, but the protocol specifically discards this
> > information when using resumptionTokens (I, personally,
> don't like the
> > idea of exclusive variables vs the repository doing
> something intelligent
> > when asked something stupid - introduces state information
> that isn't
> > naive to implement on either side).
> > Of course, the namespace makes this immaterial.
> > Thanks for the quick response,
> > Tim.
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