declare namespace ic = 'http://gcube-system.org/namespaces/informationsystem/registry';
let $_res_type := '<RES_TYPE ISdefault ='' />' 
let $_res_id := '<RES_ID/>'
let $res_type := if (empty($_res_type)) then $_res_id else concat($_res_type, '/', $_res_id )
let $res_docname := concat('/db/Profiles/',$res_type)
let $res := doc($res_docname)//Document/Data/ic:Profile/Resource
return $res