I am trying to run a federated query of which the individual sub graphs on
the their respective SPARQL points return the expected results, however
when combined I am getting the following error message:
Virtuoso 37000 Error SP031: SPARQL compiler: SERVICE <
https://www.ebi.ac.uk/fgpt/atlasrdf/sparql> at line 33 does not support
OPTION (...) clause for triples so SPARQL query can not be composed.
I am running:
Virtuoso Open Source Edition (Column Store) (multi threaded)
Version 7.1.1-dev.3209-pthreads as of May 21 2014
Compiled for Linux (x86_64-unknown-linux-gnu)
and the query submitted is:
SELECT DISTINCT ?wpTitle ?dbXref ?expressionValue WHERE {
{ GRAPH <http://wikipathways>{
?pwElement dcterms:isPartOf ?wpPathway .
?wpPathway dc:identifier <http://identifiers.org/wikipathways/WP455> .
?wpPathway dc:title ?wpTitle .
?pwElement wp:bdbEnsembl ?dbXref .
}
SERVICE <https://www.ebi.ac.uk/fgpt/atlasrdf/sparql> {
?value atlasterms:hasFactorValue ?factor .
?value atlasterms:isMeasurementOf ?probe .
?value atlasterms:pValue ?pvalue .
?value rdfs:label ?expressionValue .
?probe atlasterms:dbXref ?dbXref .
?disFactor rdfs:subClassOf+ efo:EFO_0000408 .
?disease rdf:type ?disFactor .
?disFactor rdfs:label ?label .
}
}
}
Anyone has an idea of what is going wrong here? Any suggestion would be
highly appreciated.
Regards,
Andra
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