Automated classification of email messages into user-specific folders and information
extraction from chronologically ordered email streams have become interesting areas in text …

The subject invention provides for a feedback loop system and method that facilitate
classifying items in connection with spam prevention in server and/or client-based archi …

5,377,354 A 12/1994 Scannell et al. 5,619,648 A 4/1997 Canale et a1. 5,638,487 A 6/1997
Chigier 5,704,017 A 12/1997 Heckerman et a1. 5,805,801 A 9/1998 Holloway et al …

The subject invention provides for an intelligent quarantining system and method that
facilitates detecting and preventing spam. In particular, the invention employs a machine …

G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY
ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR …

Disclosed are signature-based systems and methods that facilitate spam detection and
prevention at least in part by calculating hash values for an incoming message and then …

The subject invention provides for a system and method that facilitates detecting and
preventing spam in a variety of net Worked communication environments. In particular, the …

2002/009 1738 A1 7/2002 Rohrabaugh et al. 5,905,859 A 5/1999 Holloway et al.
2002/O124025 A1 9, 2002 Janakiraman et al. 6,003,027 A 12/1999 Prager 2002/0147782 …

6, 192,360 6,199,102 6,266.692 6,308,273 6,314.421 6,321,267 6,327,617 6,330,590
6,370,526 6,393.465 6.421, 709 6.424, 997 6,434,600 6,453,327 6,477,551 6,484, 197 …

Decision trees populated with classifier models are leveraged to provide enhanced spam
detection utilizing separate email classifiers for each feature of an email. This provides a …