I had a look at the code but unfortunately I cannot write a procedure
like this.
My scope was to have a default DESCRIBE pragma that works with multimple
graphs.
Alternatively a CBD + OBJCBD solution (they works with multiple graphs)
would be super.
If anyone have a smart workaround for getting this, let me know!
Alternatively a Copy&Paste of simple Construct query is what I will use.
Nicola
On 23/04/2014 18:10, Hugh Williams wrote:
Hi Nicola,
The procedures can be found in ~/libsrc/Wi/sparql.sql of a Virtuoso
open source archive ie
https://github.com/openlink/virtuoso-opensource/blob/develop/7/libsrc/Wi/sparql.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
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Universal Data Access, Integration, and Management Technology Providers
On 23 Apr 2014, at 10:05, ghirardi nicola <n.ghira...@cineca.it
<mailto:n.ghira...@cineca.it>> wrote:
Hi Hugh,
I am aware of the (un)defined output of DESCRIBE but here are some
reason why I think this output is "wrong":
* SPARQL rec says:
" The |DESCRIBE| form " .... assembles a single RDF graph by taking a
"description" which can come from ANY information available including
the target RDF Dataset
* Graphs used is not predictable
* In the same way of undefined default-graph, DESCRIBE without
specifying a graph could be logically the union of the information
from all the graph.
* sql:describe-mode "CBD" behave differently (result from all the graphs)
That said, can you help me in changing the default behaviour or make
a custom DESCRIBE the default one?
In my Virtuoso 7.1 I can only find the procedures
DB.DBA.SPARQL_DESC_DICT_LOD (and PHYSICAL) that call the default one.
It could be very helpful for me to look at the existing ones (default
and CBD) in order to write my own.
Thanks a lot
Nicola
On 22/04/2014 22:05, Hugh Williams wrote:
Hi Nicola,
The SPARQL specification does not define the precise output of DESCRIBE, so
different applications may need different results for the same subject, see the
following documentation for more details:
http://docs.openlinksw.com/virtuoso/rdfsparql.html#rdfsqlfromsparqldescribe
Thus you should specify the graphs or mode to use otherwise the graphs
"guessed" might can be different than expected ie not the same as the select
query ...
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 22 Apr 2014, at 16:55, ghirardi nicola<n.ghira...@cineca.it> wrote:
Hi Hugh,
You can find my test sparql endpont here:
http://rdi.cineca.it/query/public/sparql
Describe query:
DESCRIBE<http://rlink.cineca.it/id/ResearchContent/0156586eb956402a36342f713c3f2dd6>
Select query:
SELECT * WHERE
{<http://rlink.cineca.it/id/ResearchContent/0156586eb956402a36342f713c3f2dd6>
?a ?b.}
Thanks a lot.
Nicola
On 22/04/2014 17:51, Hugh Williams wrote:
Hi Nicola,
Are you able to provide a use case for recreation ie against one of our live endpoint
likedbpedia.org/sparql <http://dbpedia.org/sparql> orlod.openlinksw.com/sparql
<http://lod.openlinksw.com/sparql> or datasets for local recreation ?
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 22 Apr 2014, at 10:02, ghirardi nicola<n.ghira...@cineca.it> wrote:
I'm facing the following error:
http://answers.semanticweb.com/questions/22955/describe-in-virtuoso-unexpected-behaviour
Running sparql describe returns only triples within some graphs and not
the complete store.
It gives different result running select *
Nicola
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