Thanks for that. well i figured a way around it. when i create my triples i create that predicate as well. seems to work as a short cut ...
> Hi > > Development indicate that the directType is a Sesame specific class type > not supported in other RDF query engines like Virtuoso and Jena etc. > > 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 > > On 6 Jun 2010, at 09:37, bluestar wrote: > >> hi Hugh, >> >> it seems to work now! i was trying to execute a very simple >> SELECT DISTINCT ?p WHERE {?s ?p ?o} >> >> i have since tried other things and it seems to be doing the right thing >> now. thanks for all this. >> >> in the end i had to repackage sesame with all the dependant virtuoso >> jars >> into a war file ... and redeployed. i also restarted virtuoso - i dont >> think this was necesary. then created another repo in sesame but this >> time >> i used dba user. >> >> also i found in my logs lots of these errors: >> SQ033: SELECT access denied for column GI_SUPER of table >> DB.DBA.SYS_ROLE_GRANTS, user ID 107 >> (ie when i was not using dba. my user has all permissions, ie >> select/update/sponge. has DAV permissions as well). >> >> >> last question: how do i determine the directType of a subject in a >> triple? >> sorry i keep mentioning sesame but anyway.. sesame generated a "x >> directType y" triple; how can i achieve similar with vituoso? i dont see >> it in the workbench and querying it doesnt find anything. >> >> at the moment it seems i am getting back the super class only which is >> valid but sometimes i want the direct type. >> >> thanks. >> >> >> >> >> >>> Hi >>> >>> What is the query you are attempting to run that is resulting in this >>> "unsupport query type" error ? >>> >>> Have you been able to confirm basic connectivity of the Sesame HTTP >>> Repository to Virtuoso and its ability to run a simple query and >>> explore >>> the Virtuoso server as detailed in 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://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtSesame2HttpRepository >>> >>> On 5 Jun 2010, at 07:20, bluestar wrote: >>> >>>> 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 >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> ------------------------------------------------------------------------------ >>>>>>>> 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 >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> ------------------------------------------------------------------------------ >>>>>> 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 >>>>> >>>>> >>>> >>>> >>> >>> >> >> > >
