Jukka Villstedt wrote:
Hi,
I'm wondering if Virtuoso Open Source Edition supports distributed
SPARQL queries over many Virtuoso databases. I've understood that
virtual databases are included only in the commercial edition.
I would like to make it easy to build personal data spaces and to set
up communities by connecting these data spaces together by a query
engine that can run distributed queries over the all of the dataspaces
in the community. An example of such a community would be a group of
web shops that want to provide a unified product catalog. Another
example might be a group calendar for the members of some project.
Setting up such a community should be a matter of telling the URI:s of
the data spaces to the query engine. Assuming that the data is
expressed in compatible ontologies.
What do you think about this kind of approach to Semantic Web
communities and does Virtuoso support this?
Jukka,
At the current time you can send SPARQL Queries to Virtuoso and non
Virtuoso endpoints without issue. What is missing is intelligent
federation of sparql :-) This availability of this intelligent
federation/virtualization via Open Source is undecided at the current time.
Regards,
Kingsley
Regards,
-Jukka Villstedt
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Regards,
Kingsley Idehen Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO
OpenLink Software Web: http://www.openlinksw.com
