[OAI-implementers] OAI Resource

[Venugopal R Pally]

Thank you. As you said, Could you inform me how I can
provide this at the service layer ? I have already
implemented the OAI considering these research
projects as Resources. But it would be of good use to
my organization if I can extend it to considering
certain other things as Resources. My initial idea was
to use the same oai_dc metadataformat as schema for
all these resources except that I will use only some
of those elements in metadata of these different
resources. For example, I need creator element of
oai_dc for project but I dont need that element for
Author etc. This way I would omit certain elements for
these resources. Please suggest me if this is
practical.
Thanks,
Venu.

--- Simeon Warner <simeon@cs.cornell.edu> wrote:
> 
> I agree with Jeff and feel that overloading the
> selective harvesting
> mechanisms (sets, metadata formats) with search
> functionality is not the
> best way to approach these issues. You should either
> use a protocol that
> supports remote search, or provide that
> functionality at the service layer
> (think of the OAI repository as one layer down).
> 
> Cheers,
> Simeon.
> 
> On Mon, 14 Apr 2003, Young,Jeff wrote:
> > I'd say the answer is no, you don't want to do
> that. OAI isn't a search
> > protocol, it's a simple harvesting protocol. If
> you really do need to search
> > your database by these fields you will need to use
> a different protocol such
> > a Z39.50 or SRU/SRW and use it to index those
> fields from your research
> > project records. Also keep in mind that the main
> reason people make your
> > metadata records available via OAI is so others
> (aka service providers) can
> > make them useful and searchable in this way.
> > 
> > Basically, it sounds like you want more
> functionality than OAI alone
> > provides. Check out EPrints or DSpace if you need
> a more complete archiving
> > solution.
> > 
> > Jeff
> > 
> > > -----Original Message-----
> > > From: Venugopal R Pally
> [mailto:pally_reddy@yahoo.com]
> > > Sent: Monday, April 14, 2003 11:50 AM
> > > To: oai-implementers@oaisrv.nsdl.cornell.edu
> > > Subject: [OAI-implementers] OAI Resource
> > > 
> > > 
> > > Hi all,
> > >    The OAI says that 'resource' is the object or
> stuff
> > > that metadata is about. So, can resources
> include
> > > multiple types ? For example, in our case, I
> > > identified research projects as resources. But
> later I
> > > found that harvestors would like to search our
> archive
> > > based on certain other things like Author, his
> Papers
> > > etc. This would mean I should consider Authors,
> Paper
> > > titles also as resources along with research
> projects.
> > > So, when a harvestor asks for ListIdentifiers,
> can I
> > > display all of these (Research Projects,
> Authors,
> > > Paper Titles) ? Or should I use different
> > > metadataPrefix for different resources ?
> > > Thanks,
> > > Venu.
> > > 
> > >
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