Re: [Virtuoso-users] SPARQL Union with Precedence

2009-07-13 Thread Kingsley Idehen
Aldo Bucchi wrote: Hi Ivan, On Sat, Jul 11, 2009 at 1:39 AM, Ivan Mikhailov wrote: Hello Aldo, I really like this idea. Say, when search for standard, first search in more important international documents, then common national, then specific for the specific application, then local recs. T

Re: [Virtuoso-users] SPARQL Union with Precedence

2009-07-13 Thread Aldo Bucchi
Hi Ivan, On Sat, Jul 11, 2009 at 1:39 AM, Ivan Mikhailov wrote: > Hello Aldo, > > I really like this idea. Say, when search for standard, first search in > more important international documents, then common national, then > specific for the specific application, then local recs. That sounds Yeah

Re: [Virtuoso-users] SPARQL Union with Precedence

2009-07-11 Thread Ivan Mikhailov
Hello Aldo, I really like this idea. Say, when search for standard, first search in more important international documents, then common national, then specific for the specific application, then local recs. That sounds nice. Unfortunately, there's no appropriate SQL infrastructure, hence no chance

[Virtuoso-users] SPARQL Union with Precedence

2009-07-10 Thread Aldo Bucchi
Hello, Is it possible to indicate an order of preference for a set of alternative matches ( unions )? We have found that explicit order is not respected when querying LOD ( however, it does work against Virtuoso 5 ). Is this a Virtuoso cluster/anytime introduced behaviour or is this how SPARQL is