PREFIX rdf: PREFIX rdfs: PREFIX xsd: PREFIX owl: PREFIX swrl: PREFIX swrlb: PREFIX vitro: PREFIX vivo: PREFIX bibo: PREFIX dcterms: PREFIX event: PREFIX foaf: PREFIX skos: PREFIX core: Construct { _:role a core:ResearcherRole . ?person core:hasResearcherRole _:role . _:role core:researcherRoleOf ?person . _:role core:roleIn ?grant . ?grant core:relatedRole _:role . } where { ?person core:hasResearchActivity ?activity . optional { ?activity core:activityRelatedGrant ?grant . } }