FIELD: data retrieval systems including retrieval from data bases over communication networks. SUBSTANCE: method intended to render additional services to subscribers involves input of data to be retrieved for using them in communication networks and their comparison with data stored in data bases followed by visualizing the results of retrieval. Data taken from data bases which are in full or partial coincidence with those entered are marked by means of hyperlink indicating location of useful data other than location of data entered or those taken from data base and/or coinciding with this location. In visualizing results of retrieval including hyperlink data are marked by color and/or graphical flags. EFFECT: improved convenience for subscribers using results of retrieval. 7 cl
