Re: [Virtuoso-users] Parallel backup_online invocation

2017-01-09 Thread Hugh Williams
Hi Jerven, Happy New Year !!! The online backup is a sequential process and thus runs on a single thread and hence core and cannot be run across multiple threads ie in parallel as suggested … Best Regards Hugh Williams Professional Services OpenLink Software, Inc. //

Re: [Virtuoso-users] request using rdfs:subPropertyOf* and rdfs:subClassOf*

2017-01-09 Thread Olivier Filangi
Ok, thanks Hugh for your answer, I thinking that Virtuoso infers automatically that a relation is a subproperty of itself. I have a second question so : why virtuoso get me one result (urn:my:graphA urn:my:graphX1) ? It should get me no results ? Olivier Le 09/01/2017 à 00:50, Hugh

Re: [Virtuoso-users] request using rdfs:subPropertyOf* and rdfs:subClassOf*

2017-01-09 Thread Lorenz Buehmann
It was not my question, but again, the property path * operator is used in his query - and this can also mean 0 occurrences of the relation rdfs:subClassOf . Maybe I don't understand the meaning of * - I'll check the W3C recommendation. In the meantime, I tried it with the following minimal

Re: [Virtuoso-users] request using rdfs:subPropertyOf* and rdfs:subClassOf*

2017-01-09 Thread Kingsley Idehen
On 1/9/17 5:38 AM, Lorenz Buehmann wrote: > > @Hugh : the asterisk operator means 0 .. n occurrences, thus, > > > #constraint 1 > ?A rdf:type ?A_SubClassOf. > ?A_SubClassOf rdfs:subClassOf* :mytype1. > > > should also cover the case > > > ?A rdf:type :mytype1 . > > > Or am I wrong? > >

[Virtuoso-users] Parallel backup_online invocation

2017-01-09 Thread Jerven Tjalling Bolleman
Dear Virtuoso Team, First of all happy new year! I have a question regarding the backup_online function. I am testing this capability for the first time and am noticing that this seems to be single CPU limited on our system. So I was wondering if I can run multiple backups at the same time or