1. A method for creating a keyword database and using the keyword database for the composition of queries, comprising the steps of: storing keywords that are included in a first query submitted in a search process; storing, for a first stored keyword, a link to at least one second stored keyword, the link being generated if both keywords appeared in the same query; submitting a second query for a search process; searching the keyword database for at least one keyword linked to at least one keyword in said second query; and displaying said at least one linked keywords.