Re: Question about ontology query languages... (please reply!!!)

Hi Cristina --

By way of background on this subject, you may be interested in

     www.reengineeringllc.com/demo_agents/RDFQueryLangComparison1.agent

and in the underlying online system [1], which does support recursive
queries.

HTH,  -- Adrian

[1]  Internet Business Logic (R)
A Wiki for Executable Open Vocabulary English
Online at www.reengineeringllc.com    Shared use is free

Adrian Walker
Reengineering

On 4/10/07, Cristina Lancioni, Doctor in Computer Science <
cristina.lancioni@unicam.it> wrote:
>
>
> Hello,
> I'm a phd student in Information Technology at the
> University of Camerino (Italy).
> I would like to know if it's possible to do recursive
> queries in SPARQL.
> In fact I've this problem. I've an ontology in OWL with
> only relations is-a. This ontology is made like a tree. I
> would like to select a subgraph made of the path from the
> leaf node to the root node (result example: A(leaf) is-a B
> is-a C is-a D(root)).
> How could I do this using only a single query? Shoud I do
> this with SPARQL? If not, do You know another ontology
> query language to do this?
>
> Please reply.
> Thanks.
> Regards.
> Cristina Lancioni.
>
>
>