On 5/30/10 9:04 PM, Hugh Williams wrote:
Hi Nathan,
Would inserting via the Virtuoso SPARQL endpoint suffice, as detailed at:
http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtRDFInsert#SPARQL%20Insert%20via%20/sparql%20endpoint
Nathan,
Interim (without an explicit URL pattern for HTTP PUT or PATCH operation).
Resource URL: <http://xyz.rdf>
Content: One or more triples (any RDF family format)
Goal: get the content into a Virtuoso Quad Store.
Actions (assuming the Sponger VAD is installed and role SPARQL_UPDATE is
enabled for "sparql" account) using GET:
1. http://<cname-of-virtuoso-host>/about/{representation}/{resource-url}
Effect (irrespective of {representation}):
1. Named Graph IRI: <http://xyz.rdf>, is created within Quad Store
2. Contents of resource "xyz.rdf" are inserted into Graph IRI: <xyz.rdf> .
Verification via /sparql endpoint of Virtuoso instance:
select distinct * from <http://xyz.rdf> where {?s ?p ?o} .
How do I replace the content of Graph IRI: <http://xyz.rdf> ?
Simply do one of the following:
iSQL interface: sparl clear graph <http://xyz.rdf>
SPARQL Endpoint:
define get:soft "replace"
select distinct * from <http://xyz.rdf> where {?s ?p ?o} .
Tip:
executing the following via /sparq, with or without the: define
get:soft "replace", pragma also delivers the desired effect:
select distinct * from <http://xyz.rdf> where {?s ?p ?o}
Kingsley
Best Regards
Hugh Williams
Professional Services
OpenLink Software
Web: http://www.openlinksw.com
Support: http://support.openlinksw.com
Forums: http://boards.openlinksw.com/support
Twitter: http://twitter.com/OpenLink
On 30 May 2010, at 21:55, Nathan wrote:
Hi,
What's the simplest way to get the contents of an RDF document in to a
specified graph in the quad store?
Up till now I've been using HTTP PUT to a configured rdf_sink folder,
however I find now that I *do not* want the duplicate set of data -
ideally I just need to PUT a serialized chunk of RDF to a location and
have triples end up in the specified graph, any simple way?
Best,
Nathan
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