Hello, excellent work with TopBraid.

I have a basic question on the SPARQL support.  I have a live SPARQL
server with an endpoint that implements the SPARQL query protocol and
would like to (if possible) use TopBraid to compose SPARQL queries
using the OWL associated with the RDF dataset served by the endpoint
(for autocompletion, etc..) and dispatch them against the endpoint
(i.e., not one of the database connections supported, but a *pure*
SPARL server).

It is not clear how this is done.  I tried Import->SPARQL Endpoint
Connection and it asks for 3 things:

1) file name (i'm guessing it is the file where the connection
information is stored)
2) Base URI for imports (I'm not sure if this is the base uri for the
OWL used to drive composition of SPARQL and if so, why the normal base
URI mechanisms don't already cover this: URL of the OWL document,
xml:base in content, etc..)
3) Endpoint URL

However, having done that , I'm not sure how to proceed with composing
SPARQL queries to evaluate the defined SPARQL endpoint connection.

Thanks

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