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CODE4LIB  November 2009

CODE4LIB November 2009

Subject:

Re: holdings standards/protocols

From:

Jonathan Rochkind <[log in to unmask]>

Reply-To:

Code for Libraries <[log in to unmask]>

Date:

Mon, 16 Nov 2009 12:24:22 -0500

Content-Type:

text/plain

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Parts/Attachments

text/plain (77 lines)

Jangle is more of a delivery mechanism than a format -- once you know 
'jangle' you know how to access data, but the data can still be in any 
format at all.  Including, say, the NISO format.  So it's different in 
that case from the NISO stuff which specs both delivery mechanism and 
data format.

When it comes to actual data formats, you've still got to choose with 
Jangle.  And the choices are.... kind of weird and not always optimal.  
But another one to pay attention to in addition to z39.50 (ie MARC, or 
OPAC-MARC) or NISO is the DLF ILS-di task force "dlf expanded" format.

My trials and tribulations at trying to use standard formats through a 
jangle-like mechanism (but not actually jangle yet) can be found here:

http://bibwild.wordpress.com/2009/09/10/dlf-ils-di-dlfexpanded-service-for-horizon/

Chris Keene wrote:
> On 16/11/2009 15:09, Ross Singer wrote:
>   
>> No, holdings aren't exported to Zebra.
>>
>> That being said, the opacxml format could be pretty easily added to
>> the jangle connector.  There's also something similar (well, sort of)
>> in Keystone.
>>
>> What exactly are you looking for?  Does this functionality work with
>> AquaBrowser implementations on Voyager or III?
>>
>> I guess what I'm asking is, is the Z39.50 holdings format exactly what
>> you want, or would there be a more ideal format to use?  The opac
>> format gets pretty gnarly with serials, for example (of course,
>> everything does).
>>     
>
> Good question.
>
> When our Aquabrowser service was set up (http://catalogue.sussex.ac.uk/) 
> by Medialab, they used - wait for it - screenscrapping to get holdings 
> from our ILS catalogue (Talis Prism 2).
>
> But I guess I'm trying to take step back and say what should our 
> suppliers be supporting?
> If you were designing a web interface to search one or more ILS tomorrow 
> (replacement catalogue interface or perhaps a union catalogue) what 
> would you need to implement to show holdings information?
>
> It seems the answer so far is z39.50 is your best bet for some systems. 
> Jaggle seems like promising next step.
>
> But z39.50 isn't exactly a protocol of a web age. However it looks like 
> there is nothing out there at the moment which can provide holdings via 
> the web. Perhaps that is what ISO 20775 is trying to achieve?
>
> What was I asking? Not so much a question, but I wanted to understand 
> what the current situation is. And what I should be encouraging 
> suppliers to support. (and what I should be checking for when evaluating 
> systems)
>
> There are a lot of new-ish 'Discovery layer' apps out there:
> http://dltj.org/article/niso-discovery-presentation-links/
> But it seems none of these can perfectly plug-in to any ILS and act as a 
> replacement catalogue while there are no (decent) standards in this area.
>
> These systems can have fantastic ranking, great looks and more, but if 
> it can't show if the item is on loan, or which library it's in, or 
> classmark, then users will see this as a step back.
>
> It seems odd that this seems something that isn't really resolved yet 
> (though I may be wrong, still getting my head around it). Interested in 
> anyone's thoughts on the matter.
>
> Cheers
> Chris
>
>
>
>   

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