select distinct(P.pname) 
    from nodeassociation NA
        join project P on NA.source_node_id = P.id
        join permissionscheme PS on NA.sink_node_id = PS.id
        join schemepermissions SP on PS.id = SP.scheme
    where NA.sink_node_entity = 'PermissionScheme'
        AND NA.source_node_entity = 'Project'
		AND SP.perm_type = 'group'
		AND SP.perm_parameter IS NULL
		AND SP.permission_key = 'BROWSE_PROJECTS';