6. The method according to claim 5 , according to which said at least one item of information representing said set of data of the XML type is information of the schema and/or statistical type.
5. The method according to claim 1 , also comprising a step of receiving at least one item of information representing said set of XML-type data, said parameter representing a discriminating character of said at least one target being determined according to said at least one item of information representing said set of XML-type data.