Question: Which drugs have hypertension and vomiting as side-effects?
SPARQL:
SELECT DISTINCT ?s 
WHERE { 
        ?s <http://www4.wiwiss.fu-berlin.de/sider/resource/sider/sideEffect> <http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0020538>. 
        ?s <http://www4.wiwiss.fu-berlin.de/sider/resource/sider/sideEffect> <http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0042963>.
}