Hi Mark and Scott. Thanks for the reply.
I may have expressed my idea badly.
Those queries will return any subject that have between 4 to 6 childs.
What I'm trying to accomplish is given a particular subject that have, for
example, 7 childs; the query must return the name of 4, 5 or 6 of them;
this randomness is mandatory.
Thanks!
Em quinta-feira, 25 de setembro de 2014 18h27min08s UTC-3, Scott Henninger
escreveu:
>
> Lucas, Mark; I believe Mark has the right idea, but the sub-select isn't
> necessary:
>
> SELECT ?subject (count(?child) AS ?nchild)
> WHERE {
> ?subject kennedys:child ?child .
>
> } GROUP BY ?subject
> HAVING(?nchild <7 && 3 <?nchild )
>
> HAVING is executed after the projection in the SELECT statement.
>
> -- Scott
>
> On 9/25/2014, 3:44 PM, Mark Graham wrote:
>
> Hi Lucas,
>
> Can you try this against the Kenedys.ttl in the examples folder. This
> may help inform what you want to accomplish with this query.
>
> SELECT *
> {{
> SELECT ?subject (count(?child) AS ?nchild) WHERE {
> ?subject kennedys:child ?child .
>
> }GROUP BY ?subject}FILTER (?nchild <7). FILTER (2 <?nchild)
> }
>
>
>
>
> Thanks,
> Mark
>
>
> Mark Graham
> TopQuadrant Support
>
>
>
> On Thu, Sep 25, 2014 at 1:58 PM, Lucas de Oliveira Teixeira <
> [email protected] <javascript:>> wrote:
>
>> Hi guys,
>>
>> Suppose that we have the following triples:
>>
>>
>> :Influenza :hasSymptom :Fever
>> :Influenza :hasSymptom :Headache
>> :Influenza :hasSymptom :SoreThroat
>> :Influenza :minQuantityOfSymptoms 1
>> :Influenza :maxQuantityOfSymptoms 3
>>
>>
>> I want to develop a SPARQL query that returns a number of solutions
>> within the **minQuantityOfSymptoms** and **maxQuantityOfSymptoms**.
>>
>> I achieved a similar result by using the LIMIT modifier, however I have
>> to explicity declare the upper bound, so that way there is no randomness.
>> The following query uses the LIMIT modifier and return always two symptoms:
>>
>>
>> SELECT ?symptom WHERE {
>> :Influenza :hasSymptom ?symptom .
>> } LIMIT 2
>>
>>
>> I appreciate the help.
>> Thanks!
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