hi Hugh,
thanks for this. i got somewhere at least.
it seems sesame does not know about virtouso queries.
i get this exception trying execute a query via sesame workbench.
any suggestions?
javax.servlet.ServletException:
org.openrdf.repository.http.HTTPQueryEvaluationException: Unsupported
query type: virtuoso.sesame2.driver.VirtuosoQuery
org.openrdf.workbench.base.TransformationServlet.service(TransformationServlet.java:80)
org.openrdf.workbench.base.BaseServlet.service(BaseServlet.java:40)
org.openrdf.workbench.proxy.ProxyRepositoryServlet.service(ProxyRepositoryServlet.java:93)
org.openrdf.workbench.proxy.WorkbenchServlet.service(WorkbenchServlet.java:131)
org.openrdf.workbench.proxy.WorkbenchServlet.service(WorkbenchServlet.java:90)
org.openrdf.workbench.proxy.WorkbenchGateway.service(WorkbenchGateway.java:97)
org.openrdf.workbench.base.BaseServlet.service(BaseServlet.java:40)
org.openrdf.workbench.proxy.CookieCacheControlFilter.doFilter(CookieCacheControlFilter.java:52)
root cause
org.openrdf.repository.http.HTTPQueryEvaluationException: Unsupported
query type: virtuoso.sesame2.driver.VirtuosoQuery
org.openrdf.repository.http.HTTPTupleQuery.evaluate(HTTPTupleQuery.java:48)
org.openrdf.workbench.commands.QueryServlet.evaluateTupleQuery(QueryServlet.java:208)
org.openrdf.workbench.commands.QueryServlet.service(QueryServlet.java:146)
org.openrdf.workbench.commands.QueryServlet.service(QueryServlet.java:99)
org.openrdf.workbench.commands.QueryServlet.service(QueryServlet.java:72)
org.openrdf.workbench.base.TransformationServlet.doPost(TransformationServlet.java:87)
org.openrdf.workbench.base.TransformationServlet.service(TransformationServlet.java:70)
org.openrdf.workbench.base.BaseServlet.service(BaseServlet.java:40)
org.openrdf.workbench.proxy.ProxyRepositoryServlet.service(ProxyRepositoryServlet.java:93)
org.openrdf.workbench.proxy.WorkbenchServlet.service(WorkbenchServlet.java:131)
org.openrdf.workbench.proxy.WorkbenchServlet.service(WorkbenchServlet.java:90)
org.openrdf.workbench.proxy.WorkbenchGateway.service(WorkbenchGateway.java:97)
org.openrdf.workbench.base.BaseServlet.service(BaseServlet.java:40)
org.openrdf.workbench.proxy.CookieCacheControlFilter.doFilter(CookieCacheControlFilter.java:52)
root cause
org.openrdf.repository.RepositoryException: Unsupported query type:
virtuoso.sesame2.driver.VirtuosoQuery
org.openrdf.http.client.HTTPClient.getTupleQueryResult(HTTPClient.java:992)
org.openrdf.http.client.HTTPClient.sendTupleQuery(HTTPClient.java:414)
org.openrdf.http.client.HTTPClient.sendTupleQuery(HTTPClient.java:397)
org.openrdf.repository.http.HTTPTupleQuery.evaluate(HTTPTupleQuery.java:41)
org.openrdf.workbench.commands.QueryServlet.evaluateTupleQuery(QueryServlet.java:208)
org.openrdf.workbench.commands.QueryServlet.service(QueryServlet.java:146)
org.openrdf.workbench.commands.QueryServlet.service(QueryServlet.java:99)
org.openrdf.workbench.commands.QueryServlet.service(QueryServlet.java:72)
org.openrdf.workbench.base.TransformationServlet.doPost(TransformationServlet.java:87)
org.openrdf.workbench.base.TransformationServlet.service(TransformationServlet.java:70)
org.openrdf.workbench.base.BaseServlet.service(BaseServlet.java:40)
org.openrdf.workbench.proxy.ProxyRepositoryServlet.service(ProxyRepositoryServlet.java:93)
org.openrdf.workbench.proxy.WorkbenchServlet.service(WorkbenchServlet.java:131)
org.openrdf.workbench.proxy.WorkbenchServlet.service(WorkbenchServlet.java:90)
org.openrdf.workbench.proxy.WorkbenchGateway.service(WorkbenchGateway.java:97)
org.openrdf.workbench.base.BaseServlet.service(BaseServlet.java:40)
org.openrdf.workbench.proxy.CookieCacheControlFilter.doFilter(CookieCacheControlFilter.java:52)
note The full stack trace of the root cause is available in the Apache
Tomcat/6.0.24 logs.
> Hi
>
> As indicated in the examples in the Virtuoso inferencing documentation at
> [1] you would need to load your OWL files into Virtuoso, which being in
> RDF/XML can be done with the Virtuoso RDF_LOAD_RDFXML() function as
> detailed at [2]. Once the data is loaded into Virtuoso you can then used
> the rdfs_rule_set() function to create the rule sets in Virtuoso, at which
> point when creating the Virtuoso Sesame HTTP Repository you can then set
> the "Inference RuleSet name" parameter to the name of the rule set to be
> used ie "upper" in your example below. Note also when using the SPARQL
> query interface of the OpenRDF Workbench, you also need to check the
> "Include inferred statements" check box of the rule set to be applied
> against the query being run.
>
> I hope this answers your question, as that is how I got this to work in
> the OpenRDF Workbench using the first example in section 16.8.8.1 of the
> the documentation at [1] ...
>
> Best Regards
> Hugh Williams
> Professional Services
> OpenLink Software
> Web: http://www.openlinksw.com
> Support: http://support.openlinksw.com
> Forums: http://boards.openlinksw.com/support
> Twitter: http://twitter.com/OpenLink
>
> [1]
> http://docs.openlinksw.com/virtuoso/rdfsparqlrule.html#rdfsparqlruleexamples
> [2] http://docs.openlinksw.com/virtuoso/fn_rdf_load_rdfxml.html
>
> On 4 Jun 2010, at 04:13, bluestar wrote:
>
>> Hi Hugh,
>>
>> thanks for this. it confirms what i was thinking. and yes i am using the
>> sesame provider as outlined in the link you gave me.
>>
>> however my next question is; how do i do it using this rdfs_rule_set
>> function; i am not really sure about this.
>>
>> for example my owl files are very similar to
>> http://proton.semanticweb.org/2005/04/protonu,
>> http://proton.semanticweb.org/2005/04/protont,
>> http://proton.semanticweb.org/2005/04/protons
>>
>> how would i do this using these owl files?
>>
>> like this:
>>
>> rdfs_rule_set ("upper",
>> "http://proton.semanticweb.org/2005/04/protonu";)?
>>
>> if so this seems to have no effect at all.
>>
>> Please let me know.
>>
>> cheers.
>>
>>
>>> Hi
>>>
>>> If using the Virtuoso Sesame HTTP repository as detailed at [1], then
>>> you
>>> can create your inference rules in Virtuoso using the rdfs_rule_set
>>> function as detailed at [2], then you can use the "Inference RuleSet
>>> name"
>>> parameter of the created Virtuoso Sesame HTTP repository to specify the
>>> inference rule set name to be used.created with the rdfs_rule_set
>>> function.
>>>
>>> Best Regards
>>> Hugh Williams
>>> Professional Services
>>> OpenLink Software
>>> Web: http://www.openlinksw.com
>>> Support: http://support.openlinksw.com
>>> Forums: http://boards.openlinksw.com/support
>>> Twitter: http://twitter.com/OpenLink
>>>
>>> [1]
>>> http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtSesame2HttpRepository
>>> [2]
>>> http://docs.openlinksw.com/virtuoso/rdfsparqlrule.html#rdfsparqlrulemake
>>>
>>> On 3 Jun 2010, at 15:32, bluestar wrote:
>>>
>>>> hi,
>>>>
>>>> i am trying to use the Virtuoso sesame provider. how do i achieve
>>>> inferencing through this?
>>>>
>>>> I have been using sesame in-mem with direct type hierarchy, but now
>>>> moving
>>>> to Virtuoso. i want the same behaviour in virtuoso.
>>>>
>>>> i have 3 different owl files with the hierachy of all my classes; plus
>>>> thousands of triples based on this.
>>>>
>>>> i can see there is a "Inference RuleSet name" field in the repo
>>>> creation
>>>> screen of Virtuoso sesame provider; what do i put in there?
>>>> will this enable inferencing?
>>>>
>>>> any suggestions will be greatly appreciated.
>>>>
>>>> thanks
>>>>
>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
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>>>> lucky parental unit. See the prize list and enter to win:
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>>>> _______________________________________________
>>>> Virtuoso-users mailing list
>>>> Virtuoso-users@lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/virtuoso-users
>>>
>>>
>>
>>
>>
>> ------------------------------------------------------------------------------
>> ThinkGeek and WIRED's GeekDad team up for the Ultimate
>> GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the
>> lucky parental unit. See the prize list and enter to win:
>> http://p.sf.net/sfu/thinkgeek-promo
>> _______________________________________________
>> Virtuoso-users mailing list
>> Virtuoso-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/virtuoso-users
>
>
