A system and method for detecting undesired electronic messages (e.g., spam) using concept categorization of hyperlinks is disclosed. A server receives an electronic message and retrieves web pages that correspond to hyperlinks in the message. The server performs concept categorization on the retrieved...http://www.google.com/patents/US20060122957?utm_source=gb-gplus-sharePatent US20060122957 - Method and system to detect e-mail spam using concept categorization of linked content
