... the efficiency of the system. A set of menu-oriented procedures allow the user to interact with the lexical data base, to either insert, delete, update or just visualize words and their lexical ... by intersecting the three relations. The following example illustrates the structure of the lexical data base and the respective roles of words, morpho-syntactic elements and lexemes. In ... translation systems. Figure i, above, illustrates the structure of the lexical database. Boxes stand for the different items (words, morphosyntactic elements, lexemes) and arrows represent the relations...