Hi Sandhya
I am slightly unclear what you are asking here?
Do you have some static RDF dump you wish to expose as a SPARQL
endpoint or do you have some SQL database which you want to
dynamically map to RDF and SPARQL over?
The former can be done but may not be that performant if your
dataset is large (million triples plus) and for anything more than
a
few hundred thousand triples I'd strongly suggest putting the RDF
into a native triple store anyway and using it's SPARQL endpoint.
You can then build apps that use dotNetRDF to talk to that store.
If it is the latter then dotNetRDF does not have the ability to do
this currently unless your SQL store was created using our
Data.Sql
library in which case the data is simply whatever RDF you put into
there and is stored in our own well defined schema for encoding
RDF.
There is capability for plugging arbitrary backends into the
SPARQL
engine but this is fairly complex and I'm not sure that it
necessarily fits your use case as from your email I'm unclear on
exactly what you are trying to achieve. Some more details would
be
helpful
Regards,
Rob
On 4/10/12 3:28 AM, sandhya wrote:
Hi Rob,
We are in the process of creating our own
SPARQL endpoint where users can query. Towards this, we have
converted the data in RDF format in the SQL Server store.
Rdf:type has not been specified. We are not clear as to how
can the data schema be defined in dotnetrdf. Please guide us
in this direction.
Regards
Sandhya
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