1. A method for processing a document comprising text information, comprising the steps of: a) monitoring the occurrence of incomplete date-related citations E1, in particular the citation of a date, within the text information, characterized by the steps of: b) completing said incomplete citation E1 by aid of date indications E2, c) automatically completing ( 130,... 190 ) said date-related citations by a supplemental date specification, by applying either one or more of: c1) a set of predetermined completing rules establishing for a given incomplete citation E1 prioritizing relationships between other date-related citations E2 within the text information of the same document, c2) prior art text mining technology procedures, or c3) using ( 130 ) context meta information from outside the document.