26. A method according to claim 24 , comprising determining the ranking of at least one of the following items: a) said stored relation between said stored query and at least one stored reference to a document; b) said at least one stored reference to a document; c) said first stored query; and d) said used second query; and said ranking determination of said at least one of said items being based on one of said traced user actions.
27. The method according to claim 26 , comprising registering, to said user, at least one of: a) at least one of said user actions; and b) at least one of said ranking determinations.