Hi again, I'm sorry that I was a bit unclear.
What we are trying to do is to execute SPARQL queries from a local TBC
instance to a remote SPARQL endpoint, located at an external physical
server. We receive an error message when trying to execute the following
query:
SELECT ?a
WHERE {
SERVICE <[url]:[port]/evn/tbl/sparql> {
GRAPH <[graph]> {
?a ?b ?c .
}
}
}
LIMIT 20
The error message can be seen in the attached picture.
We believe that this error message is related to unauthorized access, due
to the lack of proper user credentials being sent along with the query.
Since the server requires authentication to view data, we suspect that we
also need credentials to access the endpoint while executing a query to it.
Based on this, we were wondering if there is a way to include the
authentication information in the query?
As for the other things you mentioned:
- The SPARQL-endpoint UI found at http://[host]:[port]/evn/tbl/sparql works
for queries if the graph is defined.
- The server properties are:
OS: Ubuntu 14.04.1 LTS
TBL EVN version: 4.5
Webserver: Apache Tomcat 7.0.57
Torbjørn
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