Surely "container" here means EXACTLY the same thing as "element",
i.e. whatever you want it to mean?


On 3 July 2010 14:31, Ray Denenberg <[log in to unmask]> wrote:
> Just want to add this.  The problem isn't so much in saying "find A and B in the same element", the problem is when the distance is greater than zero as in "find A and B separated by two elements".   In the OASIS spec, the notion of element is discarded and the more abstract notion of "container" is defined, and you can "find A and B in the same container"  (with no notion of finding A and B separated by, say, two containers).  --Ray
>
> -----Original Message-----
> From: SRU (Search and Retrieve Via URL) Implementors [mailto:[log in to unmask]] On Behalf Of Peter Noerr
> Sent: Friday, July 02, 2010 6:53 PM
> To: [log in to unmask]
> Subject: Re: CQL example for prox/unit=
>
> This is where the complexity of the example got in the way of understanding.
>
> Taking the original
>
> zeerex.set = cql prox/unit=element/distance=0 zeerex.index = resultSetId
>
> I mentally parsed it as
>
> zeerex.set =
> cql prox/unit element/distance=0 zeerex.index
> = resultSetId
>
> not as Mike parses it below. I was looking for examples illustrating the proximity modifiers and so looked for a "conventional" proximity search of the form "term prox(modifier) term". This structure I found, and then could not make any sense of the two "appendages". All to do with mental models.
>
> However, since Ray has pointed out this is an obsolete page (thought he first one appearing on the WSEs, and there are only 2 other mentions of this meaning of CQL in the top 50 hits on Bing, by the way - both about v1.1 However "cql oasis" does much better.), the question is a bit moot.
>
> Thanks for the answers.
>
> Peter
>
>> -----Original Message-----
>> From: SRU (Search and Retrieve Via URL) Implementors [mailto:[log in to unmask]] On Behalf Of Mike
>> Taylor
>> Sent: Friday, July 02, 2010 2:55 PM
>> To: [log in to unmask]
>> Subject: Re: CQL example for prox/unit=
>>
>> "unit=element/distance=0" means "in the same element as", where the
>> meaning of element is rather fuzzy and servers are expected to To The
>> Right Thing.  So the query:
>>
>>         zeerex.set = cql
>>         prox/unit=element/distance=0
>>         zeerex.index = resultSetId
>>
>> means to find records in which a single element mentions both the CQL
>> content set and the (unqualified) resultSetId index -- that is, the
>> qualified index cql.resultSetid.
>>
>>
>>
>> On 2 July 2010 22:22, Peter Noerr <[log in to unmask]> wrote:
>> > For my sins I have been trying to rationalize our internal proximity search representations, and
>> thought comparison with CQL would be instructive. I finally found "prox" as a Boolean operator (not my
>> choice, but that is not the issue here). To be sure I understood things I went through the definitions
>> and then the examples. All was well until the very last example on the very last page (ok, the second
>> page – but the last one).
>> >
>> > So at http://www.loc.gov/standards/sru/resources/cql-context-set-v1-2.html   is the example:
>> >
>> > zeerex.set = cql prox/unit=element/distance=0 zeerex.index = resultSetId
>> > Find the cql context set in the same element as the index name resultSetId. E.g. search for
>> cql.resultSetId
>> >
>> > My reading suggests this is a search for "cql.zeerex.index", not "cql.resultSetId".  If the example
>> is correct as it stands could somebody explain how/why. And also explain why the example has
>> "zeerex.set =" on the beginning and "= resultSetId" on the end, when these really have nothing to do
>> with the "unit=element/distance=0" that the example is trying to clarify. This is the only example so
>> encumbered, and it has, obviously, managed to confuse me.
>> >
>> > Peter
>> >
>> >
>
>