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Table 3 Sample SPARQL query.

From: Semantic Web repositories for genomics data using the eXframe platform

PREFIX obo: <> http://purl.obolibrary.org/obo/

PREFIX ro: <> http://purl.org/obo/owl/ro#

PREFIX dc: <> http://purl.org/dc/terms/

PREFIX ao: <> http://purl.org/ontology/ao/core#

PREFIX foaf: <> http://xmlns.com/foaf/0.1

SELECT DISTINCT ?title WHERE {

   ?experiment  a obo:OBI_0000066 ;

                dc:title ?title ;

                ro:has_part ?bioassay .

   ?bioassay    obo:OBI_0000293 ?replicate .

   ?replicate   ro:is_a ?biomaterial .

   ?biomaterial obo:CL_0000000 ?cell_type .

   ?cell_type   ao:preferred_equivalent obo:CL_0000037 .

   ?biomaterial obo:OBI_0100026 ?organism.

   ?organism    ao:preferred_equivalent obo:NCBITaxon_10090.

}

  1. Sample SPARQL query to retrieve experiments performed on mouse hematopoietic cells.