Hi Roland, Glad to hear you have resolved the problem, but it is still unclear to me the form of the describe queries being run with and without the graph IRI, thus can you provide two sample queries please ?
Best Regards Hugh Williams Professional Services OpenLink Software, Inc. // http://www.openlinksw.com/ Weblog -- http://www.openlinksw.com/blogs/ LinkedIn -- http://www.linkedin.com/company/openlink-software/ Twitter -- http://twitter.com/OpenLink Google+ -- http://plus.google.com/100570109519069333827/ Facebook -- http://www.facebook.com/OpenLinkSoftware Universal Data Access, Integration, and Management Technology Providers On 23 Aug 2013, at 23:57, Roland Cornelissen <cornelis...@sagbata.net> wrote: > Hi Hugh, > > My problem is solved. > When I specify the graph IRI the DESCRIBE works as expected, showing all > triples. When the graph IRI is not specified the DESCRIBE is empty. > However, when triples are queried by SELECT it does not matter if the graph > IRI is specified; both situations yield all triples. > > I guess today I learned about an important difference between DESCRIBE > (single resource) and SELECT (potentially multiple resources) :-) > > Thanks, > Roland > > > On 23-08-13 14:11, Hugh Williams wrote: >> Hi Roland, >> >> What is the VOS7 version you are using (virtuoso-t -?) , as describe works >> fine for me in the scenario you provide, using the latest git develop/7 >> branch build I have on my machine with sample data I have loaded, both from >> isql and the /sparql endpoint (including n3/turtle form): >> >> SQL> sparql select * {<http://www.geus.dk/6204613> ?p ?o}; >> p >> o >> VARCHAR >> VARCHAR >> _______________________________________________________________________________ >> >> http://www.w3.org/1999/02/22-rdf-syntax-ns#type >> http://www.cidoc-crm.org/rdfs/cidoc-crm#E47.Spatial_Coordinates >> http://www.cidoc-crm.org/rdfs/cidoc-crm#P2F.has_type >> EPSG:32632 >> >> 2 Rows. -- 18 msec. >> SQL> sparql describe <http://www.geus.dk/6204613>; >> S P O >> VARCHAR VARCHAR VARCHAR >> _______________________________________________________________________________ >> >> http://www.geus.dk/6204613 http://www.w3.org/1999/02/22-rdf-syntax-ns#type >> http://www.cidoc-crm.org/rdfs/cidoc-crm#E47.Spatial_Coordinates >> http://www.geus.dk/6204613 >> http://www.cidoc-crm.org/rdfs/cidoc-crm#P2F.has_type EPSG:32632 >> >> 2 Rows. -- 23 msec. >> SQL> >> >> Best Regards >> Hugh Williams >> Professional Services >> OpenLink Software, Inc. // http://www.openlinksw.com/ >> Weblog -- http://www.openlinksw.com/blogs/ >> LinkedIn -- http://www.linkedin.com/company/openlink-software/ >> Twitter -- http://twitter.com/OpenLink >> Google+ -- http://plus.google.com/100570109519069333827/ >> Facebook -- http://www.facebook.com/OpenLinkSoftware >> Universal Data Access, Integration, and Management Technology Providers >> >> On 23 Aug 2013, at 10:28, Roland Cornelissen <metamatter...@gmail.com> wrote: >> >>> Hi, >>> I have some triples in VOS7 that are all presented by this query: >>> select * {<URI> ?p ?o} >>> Now when i do a DESCRIBE <URI> i get empty Turtle, against my expectations. >>> >>> I loaded the triples with this command: >>> ttlp_mt (file_to_string_output ('/opt/data/rce/dbnl.nt'), '', >>> 'http://data.metamatter.nl/rce/'); >>> >>> Why is this situation happening? >>> What do I need to do to get the DESCRIBE ? >>> >>> Thanks, >>> Roland >>> >>> ------------------------------------------------------------------------------ >>> Introducing Performance Central, a new site from SourceForge and >>> AppDynamics. Performance Central is your source for news, insights, >>> analysis and resources for efficient Application Performance Management. >>> Visit us today! >>> http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk >>> _______________________________________________ >>> Virtuoso-users mailing list >>> Virtuoso-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/virtuoso-users >>
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