for $el at $i in doc("/Users/julie/Documents/projet_encadre/BAO3/fixed/corpus-titre-description-fixed3246.xml")//item/descendant::element
let $a := $el/data[@type='type']
let $n := $el/following-sibling::element[1]/data[@type='type']
let $x := $el/following-sibling::element[2]/data[@type='type']
let $y := $el/following-sibling::element[3]/data[@type='type']
where $a/text()="NOM" and $n/text()="PRP" and $x/text()="NOM" and $y/text()="PRP"
let $na := string-join(($el/data[@type='string'],$el/following-sibling::element[1]/data[@type='string'],$el/following-sibling::element[2]/data[@type='string'],$el/following-sibling::element[3]/data[@type='string']), " ")
return $na