Hi Hugh,
Yes, you are right, we have a local Virtuoso instance hosting DBpedia
datasets.
is it the configuration issue on the server side? we changed values for
MaxCheckpointRemap
NumberOfBuffers
MaxDirtyBuffers
TransactionAfterImageLimit
is there any parameter used to control inference?
On Thu, Sep 11, 2008 at 10:51 PM, Hugh Williams <[EMAIL PROTECTED]>wrote:
> Hi Jiusheng,
> The live dbpedia instance is hosted on a Virtuoso 5.0.8 build so I would
> not expect this to be an issue. I presume you have a local instance of
> dbpedia create from the available datasets and hosted in Virtuoso ?
>
> Best Regards
> Hugh Williams
> Professional Services
> OpenLink Software
> Web: http://www.openlinksw.com
> Support: http://support.openlinksw.com
> Forums: http://boards.openlinksw.com/support
>
>
>
> On 11 Sep 2008, at 14:03, jiusheng chen wrote:
>
> Hi Hugh,
>
> I use the Virtuoso open source v5.0.8, is it the reason?
>
> On Thu, Sep 11, 2008 at 7:44 PM, Hugh Williams <[EMAIL PROTECTED]>wrote:
>
>> Hi Juisheng,
>> Strange indeed, as the graph clearly exists and is accessible ...
>>
>> I shall see if anyone internal might have any other possible suggestions
>> as to the cause ...
>>
>> Best Regards
>> Hugh Williams
>> Professional Services
>> OpenLink Software
>> Web: http://www.openlinksw.com
>> Support: http://support.openlinksw.com
>> Forums: http://boards.openlinksw.com/support
>>
>>
>>
>> On 11 Sep 2008, at 12:13, jiusheng chen wrote:
>>
>> Hi Hugh,
>>
>> Yes, I have graph
>> 'http://10.120.8.181/dbpedia/sparql/'<http://10.120.8.181/dbpedia/sparql/%27>in
>> local.
>>
>> [EMAIL PROTECTED]:~$ isql 1111
>> Connected to OpenLink Virtuoso
>> Driver: 05.08.3034 OpenLink Virtuoso ODBC Driver
>> OpenLink Interactive SQL (Virtuoso), version 0.9849b.
>> Type HELP; for help and EXIT; to exit.
>> SQL> sparql select count(*) from <http://10.120.8.181/dbpedia/sparql/> {
>> ?s ?p ?o};
>> callret-0
>> INTEGER
>>
>> _______________________________________________________________________________
>>
>> 9124904
>>
>> 1 Rows. -- 61578 msec.
>>
>>
>> Weird problem.
>>
>>
>> On Thu, Sep 11, 2008 at 5:47 PM, Hugh Williams <[EMAIL PROTECTED]>wrote:
>>
>>> Hi juisheng,
>>> I presume you are trying to build on the inferencing example in our
>>> online documentation at:
>>>
>>> http://docs.openlinksw.com/virtuoso/rdfsparqlrule.html#rdfsparqlruleintro
>>>
>>> which works for me and presumably works for you also ?
>>>
>>> Does the graph and triple set for the graph rule used in your
>>> rdfs_rule_set() call exist ie
>>> http://10.120.8.181/dbpedia/sparql/'<http://10.120.8.181/dbpedia/sparql/%27>
>>> as the error implies it doesn't which I also get not having such a graph in
>>> my local instance, but if i then create an arbitrary graph of that name with
>>> the ttlp() function (using the data in the documentation example for
>>> instance) and run you query then it does run successfully even though it
>>> obviously returns an empty result set as I don't have any dbpedia data in
>>> my test server, but proves my point:
>>>
>>> $ cat chen
>>> sparql define input:inference '
>>> http://10.120.8.181/dbpedia/sparql/inference'<http://10.120.8.181/dbpedia/sparql/inference%27>
>>>
>>> PREFIX owl: <http://www.w3.org/2002/07/owl#>
>>> PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
>>> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
>>> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
>>> PREFIX foaf: <http://xmlns.com/foaf/0.1/>
>>> PREFIX dc: <http://purl.org/dc/elements/1.1/>
>>> PREFIX : <http://dbpedia.org/resource/>
>>> PREFIX dbpedia2: <http://dbpedia.org/property/>
>>> PREFIX dbpedia: <http://dbpedia.org/>
>>> PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
>>>
>>> SELECT count(*)
>>> from <http://10.120.8.181/dbpedia/sparql/>
>>> WHERE {
>>> ?x rdf:type <http://dbpedia.org/class/yago/Conflict100958896> .
>>> };
>>>
>>> $ cat chen | ../../../../bin/isql 1112
>>> Connected to OpenLink Virtuoso
>>> Driver: 05.00.3033 OpenLink Virtuoso ODBC Driver
>>> OpenLink Interactive SQL (Virtuoso), version 0.9849b.
>>> Type HELP; for help and EXIT; to exit.
>>> SQL> Type the rest of statement, end with a semicolon (;)> Type the rest
>>> of statement, end with a semicolon (;)> Type the rest of statement, end with
>>> a semicolon (;)> Type the rest of statement, end with a semicolon (;)> Type
>>> the rest of statement, end with a semicolon (;)> Type the rest of statement,
>>> end with a semicolon (;)> Type the rest of statement, end with a semicolon
>>> (;)> Type the rest of statement, end with a semicolon (;)> Type the rest of
>>> statement, end with a semicolon (;)> Type the rest of statement, end with a
>>> semicolon (;)> Type the rest of statement, end with a semicolon (;)> Type
>>> the rest of statement, end with a semicolon (;)> Type the rest of statement,
>>> end with a semicolon (;)> Type the rest of statement, end with a semicolon
>>> (;)> Type the rest of statement, end with a semicolon (;)> Type the rest of
>>> statement, end with a semicolon (;)> Type the rest of statement, end with a
>>> semicolon (;)> callret-0
>>> INTEGER
>>>
>>> _______________________________________________________________________________
>>>
>>> 0
>>>
>>> 1 Rows. -- 2 msec.
>>> SQL>
>>>
>>> Thus please confirm the graph being used in the rule set does exist and
>>> is accessible ...
>>>
>>> Best Regards
>>> Hugh Williams
>>> Professional Services
>>> OpenLink Software
>>> Web: http://www.openlinksw.com
>>> Support: http://support.openlinksw.com
>>> Forums: http://boards.openlinksw.com/support
>>>
>>>
>>>
>>> On 11 Sep 2008, at 02:48, jiusheng chen wrote:
>>>
>>> Hi Hugh,
>>>
>>> Always got 'inference context does not exist' error, could you please
>>> take a look? Here shows my operations:
>>>
>>> [EMAIL PROTECTED]:/disk1/sda/jchen/Structured$ cat scripts/inference
>>> rdfs_rule_set('http://10.120.8.181/dbpedia/sparql/inference', '
>>> http://10.120.8.181/dbpedia/sparql/'<http://10.120.8.181/dbpedia/sparql/%27>
>>> );
>>> [EMAIL PROTECTED]:/disk1/sda/jchen/Structured$ cat scripts/conflict.sparql
>>>
>>> sparql define input:inference '
>>> http://10.120.8.181/dbpedia/sparql/inference'
>>>
>>> PREFIX owl: <http://www.w3.org/2002/07/owl#>
>>> PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
>>> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
>>> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
>>> PREFIX foaf: <http://xmlns.com/foaf/0.1/>
>>> PREFIX dc: <http://purl.org/dc/elements/1.1/>
>>> PREFIX : <http://dbpedia.org/resource/>
>>> PREFIX dbpedia2: <http://dbpedia.org/property/>
>>> PREFIX dbpedia: <http://dbpedia.org/>
>>> PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
>>>
>>> SELECT count(*)
>>> from <http://10.120.8.181/dbpedia/sparql/>
>>> WHERE {
>>> ?x rdf:type <http://dbpedia.org/class/yago/Conflict100958896> .
>>> };
>>> [EMAIL PROTECTED]:/disk1/sda/jchen/Structured$ cat scripts/inference | isql
>>> 1111
>>> Connected to OpenLink Virtuoso
>>> Driver: 05.08.3034 OpenLink Virtuoso ODBC Driver
>>> OpenLink Interactive SQL (Virtuoso), version 0.9849b.
>>> Type HELP; for help and EXIT; to exit.
>>> SQL>
>>> Done. -- 0 msec.
>>> SQL> [EMAIL PROTECTED]:/disk1/sda/jchen/Structured$ cat
>>> scripts/conflict.sparql | isql 1111
>>> Connected to OpenLink Virtuoso
>>> Driver: 05.08.3034 OpenLink Virtuoso ODBC Driver
>>> OpenLink Interactive SQL (Virtuoso), version 0.9849b.
>>> Type HELP; for help and EXIT; to exit.
>>> SQL> SQL> Type the rest of statement, end with a semicolon (;)> Type the
>>> rest of statement, end with a semicolon (;)> Type the rest of statement, end
>>> with a semicolon (;)> Type the rest of statement, end with a semicolon (;)>
>>> Type the rest of statement, end with a semicolon (;)> Type the rest of
>>> statement, end with a semicolon (;)> Type the rest of statement, end with a
>>> semicolon (;)> Type the rest of statement, end with a semicolon (;)> Type
>>> the rest of statement, end with a semicolon (;)> Type the rest of statement,
>>> end with a semicolon (;)> Type the rest of statement, end with a semicolon
>>> (;)> Type the rest of statement, end with a semicolon (;)> Type the rest of
>>> statement, end with a semicolon (;)> Type the rest of statement, end with a
>>> semicolon (;)> Type the rest of statement, end with a semicolon (;)> Type
>>> the rest of statement, end with a semicolon (;)> Type the rest of statement,
>>> end with a semicolon (;)>
>>> *** Error 42000: [Virtuoso Driver][Virtuoso Server]RDF..: Inference
>>> context http://10.120.8.181/dbpedia/sparql/inference does not exist
>>> in lines 2-19 of Top-Level:
>>> #line 2 "(console)"
>>> sparql define input:inference '
>>> http://10.120.8.181/dbpedia/sparql/inference'
>>>
>>> PREFIX owl: <http://www.w3.org/2002/07/owl#>
>>> PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
>>> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
>>> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
>>> PREFIX foaf: <http://xmlns.com/foaf/0.1/>
>>> PREFIX dc: <http://purl.org/dc/elements/1.1/>
>>> PREFIX : <http://dbpedia.org/resource/>
>>> PREFIX dbpedia2: <http://dbpedia.org/property/>
>>> PREFIX dbpedia: <http://dbpedia.org/>
>>> PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
>>>
>>> SELECT count(*)
>>> from <http://10.120.8.181/dbpedia/sparql/>
>>> WHERE {
>>> ?x rdf:type <http://dbpedia.org/class/yago/Conflict100958896> .
>>> }
>>>
>>>
>>> --
>>> Thanks,
>>> Chen Jiusheng
>>>
>>>
>>>
>>
>>
>> --
>> Thanks,
>> Chen Jiusheng
>>
>>
>>
>
>
> --
> Thanks,
> Chen Jiusheng
>
>
>
--
Thanks,
Chen Jiusheng
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