Re: [search-ws] result analysis

["Ray Denenberg, Library of Congress" <rden@loc.gov>]

Turning the question around a bit ...... is it useful to have a response 
element <resultAnalysis> (whether it has facet information or not)? 
Subquery information would be one of the things that could be included. 
Another would be resultPrecision.   These would be presented according to a 
schema, and there could be alternative schemas developed. (This would be 
similar to the facet information.)

The alternative is to have a separate <facetInformation> element, another 
element for <resultPrecision> and subqueryInformation could be relegated to 
an extension.

However:
1. resultPrecision appears to be a complex element that might warrant the 
flexibility of a schema.

2. if we relegate something to an extension, then we are in effect exiling 
it to obscurity.  The question is, is subquery analysis important?  There 
are some Z39.50 servers that support it, but they can't do anything useful 
with it because it is only supported via the searchResult-1 extension, which 
isn't very well supported by clients, because extensions in general are not 
supported. If there are search engines that can readily supply subquery 
information, and if we think that it is useful, why not put support for it 
into SRU?

--Ray

----- Original Message ----- 
From: "Dr R. Sanderson" <azaroth@liverpool.ac.uk>
Cc: <search-ws@lists.oasis-open.org>
Sent: Monday, December 22, 2008 10:57 AM
Subject: Re: [search-ws] result analysis


>
>
> I don't think that facets are the same sort of thing as the other two.
>
> They're generated as a matter of course while performing a query. Facets 
> are effectively further queries that target different access points.
>
> Rob
>
>
> On Mon, 22 Dec 2008, Ray Denenberg, Library of Congress wrote:
>
>> Please comment on my suggestion that SRU 2.0 include a response element 
>> <resultAnalysis>.  I don't think anyone on the TC has offered an opinion.
>>
>> The idea is to bundle the various pieces of information within the 
>> response that are essentially result analysis into a single complex 
>> element. And that element could be supplied by various schemas.
>>
>> The pieces would include:
>>
>> - faceted results
>> - subquery analysis
>> - result precision
>> - echoed query  (The echoed query could be part of the subquery analysis 
>> and could be eliminated as a separate parameter.)
>>
>> --Ray
>
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