How to extract organism information from the Expression Atlas experiments using SPARQL queries
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5.3 years ago
deepue ▴ 150

I have been extracting the list of experiments from Expression Atlas with accession numbers, platform information using the below query.

query <- "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX atlasterms: <http://rdf.ebi.ac.uk/terms/atlas/>
SELECT DISTINCT ?experiment ?accession ?description ?platform WHERE
{?experiment
a atlasterms:Experiment ;
dcterms:identifier ?accession ;
dcterms:description ?description ;
atlasterms:hasAnalysis
[atlasterms:hasExpressionValue 
[atlasterms:isMeasurementOf 
[atlasterms:partOfPlatform ?platform] ] ] }"

I would like to extract the organism information besides the existing details. I have come across the atlas term isAbout, but wasn 't successful in extracting the required information.

Could you please advise on how to achieve this ?

R SPARQL ExpressionAtlas rdf • 1.1k views
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