SRU/SRW is part of our SOA, but where industry standards fails to
deliver all the functionality required or when those standards are hard
to work with then we will augment or replace them with other services.
Using search and retrieval as an example, SRU would be built as a layer
on top of our own services. Including facets generated from the results,
or the ability to ask for any authority based cross references, would be
examples of specialisations.
Dan Mullineux.
LMS Programme Manager.
Talis Information Limited
Knights Court, Solihull Parkway, Birmingham Business Park, B37 7YB, UK
Tel: +44(0)870 400 5000
Fax: +44(0)870 400 5001
www.talis.com <blocked::http://www.talis.com/>
________________________________
From: Next generation catalogs for libraries
[mailto:NGC4LIB_at_listserv.nd.edu] On Behalf Of Judith Pearce
Sent: 15 January 2007 05:57
To: NGC4LIB_at_listserv.nd.edu
Subject: [NGC4LIB] Web Services, Service-Oriented Architecture and
Library Standards
I've just been time travelling on the list to catch up on the
discussions. I'm exhausted! I have heaps of questions to ask but at the
top of my list is a need to understand better the difference between the
use of web services as a means of ensuring interoperability between
systems, the idea of a shared service-oriented architecture in the
library context and the role of standards across this continuum.
As an example, SRU has been developed as a web service to replace Z39.50
as a standard search and retrieval protocol but can it also operate as
the search protocol in a service-oriented architecture? Or are SOA
developers inventing their own internal search protocol and mapping
incoming queries to it?
If SRU was used, what changes or extensions would need to be made to
deliver the kinds of functionality being discussed on this list? For
instance, how would you ask for result sets where the user's preferred
libraries influenced the ranking? How would you request the "did you
mean?" service or get clustered or frbrized results?
Is this an area where standardisation is needed in any case,
particularly if large centralised data corpuses are involved?
Regards,
Judith
Judith Pearce
Director, Feasibility & Standards
National Library of Australia
CANBERRA ACT 2600
phone: +61 2 62621425
email: jpearce_at_nla.gov.au
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Received on Mon Jan 15 2007 - 01:43:09 EST