Re: [Virtuoso-users] Problem with rdfs inference

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On 4/27/12 9:31 AM, Alex wrote:
> Yes rdfs schema.
>
> 15 is the total number of triples including both the inferred and the
> explicit ones from<g>.

Okay, I am going to hand this over to our support team to see if they 
can recreate based on the information in this post. Naturally, you have 
to bear with the support turnaround which is always based on what's on 
the queue etc..

They (or I) will get back to you.

Kingsley
>
> On 27 April 2012 15:45, Kingsley Idehen<ki...@op...>  wrote:
>> On 4/27/12 8:36 AM, Alex wrote:
>>> I can give you some statistics if this is helpful.
>>>
>>> Number of triples in<g>: 152329
>>> Number of triples with subject<uri>    in<g>: 8
>>> Number of triples with subject<uri>    in<rdfs_g>    : 8
>>> Number of triples applying rdfs on triples with subject<uri>    in<g>: 15
>>
>> I assume you are using rdfs schema for your inference rule? If true, I also
>> assume 15 is the inferred triples count?
>>
>>
>> Kingsley
>>
>>> sparql define input:inference<something>    select count(*) from<g>
>>> where{?s ?p ?o} : 152329 !
>>> sparql define input:inference<something>    select count(*) from<g>
>>> where{<uri>    rdf:type ?o} : 1
>>> sparql define input:inference<something>    select count(*) from<rdfs_g>
>>> where{<uri>    rdf:type ?o}: 1
>>>
>>> sparql clear graph<rdfs_g>
>>> sparql define input:inference<something>    insert into<rdfs_g>
>>> {<uri>?p ?o} where{graph<g>    {<uri>    ?p ?o}}
>>> sparql define input:inference<something>    select count(*) from
>>> <rdfs_g>    where{<uri>    rdf:type ?o}: 6
>>>
>>> I hope there will be no typos. Do you need anything else to share with
>>> you? Please let me know.
>>>
>>> Thanks.
>>>
>>> On 27 April 2012 15:05, Kingsley Idehen<ki...@op...>    wrote:
>>>> On 4/27/12 7:35 AM, Alex wrote:
>>>>> Following the Carina's advice:
>>>>>
>>>>> shutdown()
>>>>> change value of parameter "ResultSetMaxRows" in the .ini file to
>>>>> 1000000000000000
>>>>> save
>>>>> sudo virtuoso-t -f&
>>>>> sudo isql-vt
>>>>>
>>>>> Applying again the rule, I get same the wrong behavior: inference only
>>>>> on the<uri>      results to the correct inferred triples, but not in the
>>>>> case of inference on the whole dataset.
>>>>>
>>>>> I think and I am afraid I cannot "share" the dataset I am testing ( if
>>>>> you meant that).
>>>>>
>>>>> I changed my query to selection:
>>>>>
>>>>> sparql define input:inference<something>      select * from<g>      where{?s
>>>>> ?p
>>>>> ?o} limit 20
>>>>>
>>>>> I do not know how the inference is evaluated on the triples and how
>>>>> the result is returned, but in the first 20 results I do not see any
>>>>> new inferred triple.
>>>>
>>>> Without sharing a SPARQL URL you can share the results of a SELECT query
>>>> e.g., a count of the records when using a SELECT query.
>>>>
>>>> Kingsley
>>>>
>>>>> On 27 April 2012 14:18, Kingsley Idehen<ki...@op...>
>>>>>   wrote:
>>>>>> On 4/27/12 6:57 AM, Carina Haupt wrote:
>>>>>>>
>>>>>>> On 27.04.2012 12:14, Alex wrote:
>>>>>>>> Hello again,
>>>>>>>> my scenario is the following: given a graph<g>         with some
>>>>>>>> triples
>>>>>>>> apply a rule set based on a schema and insert the inferred triples to
>>>>>>>> another graphs<rdfs_g>.
>>>>>>>>
>>>>>>>> So I use the following query to accomplish that:
>>>>>>>>
>>>>>>>> sparql define input:inference<something>         insert into<rdfs_g>
>>>>>>>> {?s ?p
>>>>>>>> ?o} where{graph<g>         {?s ?p ?o}} (1)
>>>>>>>>
>>>>>>>> I then check for a specific uri in rdfs_g and I see the same inferred
>>>>>>>> triples but NOT all of them and the number of triples is the same.
>>>>>>>>
>>>>>>>> To further test it I apply the same rule for this specific uri:
>>>>>>>>
>>>>>>>> sparql define input:inference<something>         insert into<rdfs_g>
>>>>>>>> {<uri>
>>>>>>>> ?p ?o} where{graph<g>         {<uri>         ?p ?o}} (2)
>>>>>>>>
>>>>>>>> Comparing the<rdfs_g>         to<g>         there is big difference on
>>>>>>>> the
>>>>>>>> number of
>>>>>>>> triples (i.e. 15 to 8 rows respectively) and I think I see the total
>>>>>>>> inferred triples.
>>>>>>>>
>>>>>>>> What is wrong with that?? I have test it (1) on a smaller dataset
>>>>>>>> that
>>>>>>>> <g>         and works fine.
>>>>>>>>
>>>>>>>> I am begging to lose my mind on this. How could I debug this?
>>>>>>> There is a threshold in the ini file which defines how many triples
>>>>>>> are
>>>>>>> returned at max. Perhaps this is the source of your problem?!
>>>>>>>
>>>>>>> Ciao Carina
>>>>>>
>>>>>> Yes re. INI.
>>>>>>
>>>>>> Alternatively, one diagnostic option re. assistance from us would be to
>>>>>> change the INSERT into a SELECT and then share the SPARQL protocol URL.
>>>>>>
>>>>>> Kingsley
>>>>>>
>>>>>>>> Thanks.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
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>>>>>>>> _______________________________________________
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>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Kingsley Idehen
>>>>>> Founder&        CEO
>>>>>> OpenLink Software
>>>>>> Company Web: http://www.openlinksw.com
>>>>>> Personal Weblog: http://www.openlinksw.com/blog/~kidehen
>>>>>> Twitter/Identi.ca handle: @kidehen
>>>>>> Google+ Profile: https://plus.google.com/112399767740508618350/about
>>>>>> LinkedIn Profile: http://www.linkedin.com/in/kidehen
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------------
>>>>>> Live Security Virtual Conference
>>>>>> Exclusive live event will cover all the ways today's security and
>>>>>> threat landscape has changed and how IT managers can respond.
>>>>>> Discussions
>>>>>> will include endpoint security, mobile security and the latest in
>>>>>> malware
>>>>>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>>>>>> _______________________________________________
>>>>>> Virtuoso-users mailing list
>>>>>> Vir...@li...
>>>>>> https://lists.sourceforge.net/lists/listinfo/virtuoso-users
>>>>>>
>>>> --
>>>>
>>>> Regards,
>>>>
>>>> Kingsley Idehen
>>>> Founder&      CEO
>>>> OpenLink Software
>>>> Company Web: http://www.openlinksw.com
>>>> Personal Weblog: http://www.openlinksw.com/blog/~kidehen
>>>> Twitter/Identi.ca handle: @kidehen
>>>> Google+ Profile: https://plus.google.com/112399767740508618350/about
>>>> LinkedIn Profile: http://www.linkedin.com/in/kidehen
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>> ------------------------------------------------------------------------------
>>> Live Security Virtual Conference
>>> Exclusive live event will cover all the ways today's security and
>>> threat landscape has changed and how IT managers can respond. Discussions
>>> will include endpoint security, mobile security and the latest in malware
>>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>>> _______________________________________________
>>> Virtuoso-users mailing list
>>> Vir...@li...
>>> https://lists.sourceforge.net/lists/listinfo/virtuoso-users
>>
>>
>> --
>>
>> Regards,
>>
>> Kingsley Idehen
>> Founder&    CEO
>> OpenLink Software
>> Company Web: http://www.openlinksw.com
>> Personal Weblog: http://www.openlinksw.com/blog/~kidehen
>> Twitter/Identi.ca handle: @kidehen
>> Google+ Profile: https://plus.google.com/112399767740508618350/about
>> LinkedIn Profile: http://www.linkedin.com/in/kidehen
>>
>>
>>
>>
>>
>>
>>
>> ------------------------------------------------------------------------------
>> Live Security Virtual Conference
>> Exclusive live event will cover all the ways today's security and
>> threat landscape has changed and how IT managers can respond. Discussions
>> will include endpoint security, mobile security and the latest in malware
>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> _______________________________________________
>> Virtuoso-users mailing list
>> Vir...@li...
>> https://lists.sourceforge.net/lists/listinfo/virtuoso-users
>>
> ------------------------------------------------------------------------------
> Live Security Virtual Conference
> Exclusive live event will cover all the ways today's security and
> threat landscape has changed and how IT managers can respond. Discussions
> will include endpoint security, mobile security and the latest in malware
> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
> _______________________________________________
> Virtuoso-users mailing list
> Vir...@li...
> https://lists.sourceforge.net/lists/listinfo/virtuoso-users

-- 

Regards,

Kingsley Idehen	
Founder&  CEO
OpenLink Software
Company Web: http://www.openlinksw.com
Personal Weblog: http://www.openlinksw.com/blog/~kidehen
Twitter/Identi.ca handle: @kidehen
Google+ Profile: https://plus.google.com/112399767740508618350/about
LinkedIn Profile: http://www.linkedin.com/in/kidehen