Hi,
I have a working SPARQLMotion script that contains an
sml:ApplyConstruct module with the following SPARQL query:
CONSTRUCT {
?s ?p ?o .
}
WHERE {
GRAPH <http://siemens.com/vocab/kps/epic_instances> {
BIND (spif:buildURI(?tag) AS ?tagURI) .
?s <http://siemens.com/schemas/kps/epic#hasTag> ?tagURI .
?s ?p ?o .
} .
}
(?tag is passed in as a variable).
I want to expand the search to two graphs, so I changed the query to:
CONSTRUCT {
?s ?p ?o .
}
FROM <http://siemens.com/vocab/kps/epicArchive>
FROM <http://siemens.com/vocab/kps/epic_instances>
WHERE {
BIND (spif:buildURI(?tag) AS ?tagURI) .
?s <http://siemens.com/schemas/kps/epic#hasTag> ?tagURI .
?s ?p ?o .
}
.but this gives the following error:
HTTP ERROR: 500
Problem accessing /tbl/sparqlmotion. Reason:
An internal error has been reported by the SPARQLMotion engine of
TopBraid Live.
Summary: [Endpoint returned Content Type: text/html which is not a valid RDF
syntax]
Details: org.apache.jena.query.QueryException: Endpoint returned Content
Type: text/html which is not a valid RDF syntax
at
org.apache.jena.sparql.engine.http.QueryEngineHTTP.execConstructWorker(Query
EngineHTTP.java:491)
at
org.apache.jena.sparql.engine.http.QueryEngineHTTP.execModel(QueryEngineHTTP
.java:440)
... more
The odd thing is that the same query works inside a SPARQL query pane in TBC
Maestro.
Any ideas?
- Steve
Steven R. Ray, Ph.D.
Distinguished Research Fellow
Carnegie Mellon University
NASA Research Park
Building 23 (MS 23-11)
P.O. Box 1
Moffett Field, CA 94305-0001
Email: [email protected]
Phone: (650) 587-3780
Cell: (202) 316-6481
Skype: steverayconsulting
cid:[email protected]
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