SELECT distinct 
		project, 
		contactperson,
		startdate,
		enddate,
		inferred,
		deletedbyinference,
		trust,
		inferenceprovenance,
		'contactperson@@@contactperson@@@dnet:project_organization_relations@@@dnet:project_organization_relations'	as semantics
		
FROM project_organization 

WHERE contactperson is not null