In an electronic mail system, a user's actions with an application for managing electronic content are monitored. Based on the user's actions and/or on the actions of other users in the system, a relevance analysis module determines a relevance to the user of a piece of electronic content based on a...http://www.google.fr/patents/US7716217?utm_source=gb-gplus-shareBrevet US7716217 - Determining relevance of electronic content
