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ZNG  December 2007

ZNG December 2007

Subject:

Re: Say NO to mandatory Atom Feeds

From:

Farrukh Najmi <[log in to unmask]>

Reply-To:

SRU (Search and Retrieve Via URL) Implementors

Date:

Mon, 3 Dec 2007 14:28:21 -0500

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (66 lines)

LeVan,Ralph wrote:
>
> Iíve been giving more thought to SRU responses and have come to the
> conclusion that the Atom Feed document should not be a mandatory
> response format and should certainly not be the sole mandatory
> response format.
>
> The problem is that Atom Feeds were not intended for dynamically
> generated search results and have mandatory elements that are
> important for syndicated blog feeds but are meaningless for us.
> Specifically, they are the author, id and updated elements required on
> every response. I can live with the mandatory title element, but the
> others donít work.
>

I had responded to above issues in an earlier email on this list. See
recap below...
What do you see as issues in the solution I proposed?

> Iím still interested in figuring out how to use Atom Feeds as a
> possible alternative response. It is clear that there are applications
> that want to use them. I just hope that their assumption that theyíve
> just gotten a list of blog entries from me matches up with the userís
> expectation that they just got a list of documents.
>



Farrukh Najmi wrote:
> Dr R. Sanderson wrote:
>> On Tue, 13 Nov 2007, Ray Denenberg, Library of Congress wrote:
>>
>>> Let's see if this comes out better. A sample response record in ATOM:
>>
>> As Ross points out, ATOM has some requirements for validation. In
>> particular there's quite a few mandatory elements both at the feed
>> level and the entry level which aren't quite so easy to map into the
>> SRU response while retaining the ATOM semantics, or without adding
>> extra requirements to implementers. For example the updated time for
>> the record.
>>
>> Rob
>
> There are only a handful of mandatory properties AFAIK.
>
> Implementations typically should know when a record is updated. The
> search-ws spec can specify that implementations that do not have this
> ability use a fixed time that can never be used in reality (e.g.
> 1900-00-00T00:00:00Z ).
>
> Other mandatory values like those below can be required to have a
> value of "Unknown" if implementations do not support this.
>
> /atom:feed/atom:entry/atom:title
> /atom:feed/atom:author/atom:name
> /atom:feed/atom:author/atom:email
>
>


--
Regards,
Farrukh Najmi

Web: http://www.wellfleetsoftware.com

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