1. A queries management system to be accessed by a user submitting queries against databases, comprising: means for defining a set of parameters associated with the user and including user profile parameters and queries structure parameters; notifications storing means for storing results availability notifications; results storing means for storing database queries results; and control means coupled to the defining means and to the storing means for controlling: the queries submissions against the databases using the user profile parameters and the queries structure parameters defined for said user; the results availability notifications using the user profile parameters defined for said user; and database queries results histories based on the user profile parameters defined for said user.