Device (D) for at least one communication terminal (T) arranged for searching information in at least one information source (IS) when it is connected to it, characterized in that it comprises i) a first means (FM) arranged for storing at least one semantic search request defining chosen information to be searched into said information source (IS) at chosen instants for a chosen terminal user, ii) a second means (SM) arranged for interpreting said stored semantic request at said chosen instants, and iii) a third means (TM) arranged for automatically executing the semantic search request interpreted at said chosen instants, and for warning a user when information corresponding to his executed request has been found.