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ZNG  August 2003

ZNG August 2003

Subject:

Re: SRW and SRU compliance

From:

Robert Sanderson <[log in to unmask]>

Reply-To:

Z39.50 Next-Generation Initiative

Date:

Fri, 8 Aug 2003 14:02:34 +0100

Content-Type:

TEXT/PLAIN

Parts/Attachments:

Parts/Attachments

TEXT/PLAIN (50 lines)

> I am not trying to just throw things into SRU except from the point of view
> of prototyping ideas. That's why I put "SRU". The specific point I am trying

Ahh! Apologies then. And I didn't mean to imply you wanted everything in
SRU proper, just that there is a great temptation for /anyone/ to do this
because it /is/ quicker and very easy to do.

> to pursue is that the SRU response could be extended to include data that
> would make it much easier to implement a stateless URL based search.
> This is why I asked the question, should we develop SRU or should we develop
> another URL based protocol that is derived from SRW/SRU. Judging by the

I think we should use SRU as it stands until someone can describe a
situation in which they need some functionality which is just not possible
and potentially widely useful.

If Theo doesn't want a creative flag, and Bill's service is just a quick
SRU-alike, then we assign it all to storm-in-teacup status, and go back to
discussing the real 1.1 changes? :)


> Rob, I didn't use your Python interface to Cheshire because I needed to do
> something quickly to demonstrate a possibility, but I would very much like
> to cooperate and if possible re-use your work when we have to implement a
> live system. By using Zoom it is possible to write a simple gateway with a
> very small script.

My point was that in the Cheshire distribution is a complete SRW/SRU
implementation, including a browser based XSL interface to SRU. So was
wondering if there was a reason why you'd made your own "SRU"
implementation instead. BTW, Cheshire is ZOOM too. (ChZoom.py) But if you
just needed a 10 minute trick to show people, then that makes perfect
sense, and explains the variation in the response.

Rob

Rob wrote:
> Bill, can I ask why (as you're using Cheshire for the database) you didn't
> just use my (pretty much complete and more importantly compliant) SRW/SRU
> implementation? Especially as its written in Python like your own. I
> have a copy running on the ISTC database we have here in Liverpool even.

--
      ,'/:. Dr Robert Sanderson ([log in to unmask])
    ,'-/::::. http://www.o-r-g.org/~azaroth/
  ,'--/::(@)::. Special Collections and Archives, extension 3142
,'---/::::::::::. Nebmedes: telnet: nebmedes.o-r-g.org 7777
____/:::::::::::::. WWW: http://nebmedes.o-r-g.org:8000/
I L L U M I N A T I

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