Re: [Virtuoso-users] Best way to query a random sample?

Hi all. I have an ontology model (ontModel) by loading some local ontologies via jena. Now i want to export this model into virtuoso graph for storing and querying? How could I do it? Thanks in advance.

[Virtuoso-users] Implementing a simple ACL atop a SPARQL endpoint

Hi, I have done this many times already, so I can tell it is a pattern. I have a Virtuoso in an intranet, and one or more applications talk to it via SPARQL HTTP. I would like to also allow selected external users (humans) and applications to access the endpoint. Some with SPARQL Update

[Virtuoso-users] Question about SPARQL and Linked Data Dereferencing

Dear Virtuoso Users list, Virtuoso seems to be my fate, as I've used it several times for different projects over the past couple of years. I have a question relating to the SPARQL engine in Virtuoso, specifically regarding Linked Data URI Dereferencing and Caching. I have a Virtuoso

Re: [Virtuoso-users] Implementing a simple ACL atop a SPARQL endpoint

Hi Aldo, You can use WebID/Oauth/SQL authentication and configure separate SPARQL endpoints with various ACLs and user access rights as detailed in section 16.2.3.4.1. Managing a SPARQL Web Service Endpoint of the documentation at :

Re: [Virtuoso-users] Best way to query a random sample?

Hi Hoan, What form are these local ontologies available in ? Are they available as file datasets in N3, RDF/XML or other formats or are they stored internal in this OntModel tool ? Best Regards Hugh Williams Professional Services OpenLink Software Web: http://www.openlinksw.com Support:

Re: [Virtuoso-users] Question about SPARQL and Linked Data Dereferencing

On 4/14/11 8:02 AM, Daniel Lewis wrote: Dear Virtuoso Users list, Virtuoso seems to be my fate, as I've used it several times for different projects over the past couple of years. I have a question relating to the SPARQL engine in Virtuoso, specifically regarding Linked Data URI Dereferencing

Re: [Virtuoso-users] Implementing a simple ACL atop a SPARQL endpoint

On 14/04/2011 04:57, Aldo Bucchi wrote: Hi, I have done this many times already, so I can tell it is a pattern. I have a Virtuoso in an intranet, and one or more applications talk to it via SPARQL HTTP. I would like to also allow selected external users (humans) and applications to

Re: [Virtuoso-users] Best way to query a random sample?

Hi Hoan, If they are available in RDF/XML form you can load them singularly if there are not many using the Conductor “RDF - Upload RDF” tab or using the RDF_LOAD_RDFXML_MT() [1] function and if there are many files the Virtuoso RDF Bulk loader [2] scripts can be used to upload them all at