Human interaction proofs (HIPs) have become commonplace on the internet for protecting free online services from abuse by automated scripts/bots. They are challenges designed to b...
Kumar Chellapilla, Kevin Larson, Patrice Y. Simard...
Spam has become a serious problem of Internet, and the current defense is limited to the filters deployed at the recipient side. Little known research has been applied to reduce ...
We present in this paper a procedure to automatically discover a user s personal topics by clustering their emails. Unlike previous work, we automatically label topics using appro...
Email triage is the process of going through unhandled email and deciding what to do with it. This process can quickly become a serious problem for users with large volumes of ema...
Carman Neustaedter, A. J. Bernheim Brush, Marc A. ...
Unsolicited Commercial Communication also known as spam - has traditionally been the most visible e-mail threat and has reached a point where it creates a major problem for the de...
Evangelos Moustakas, C. Ranganathan, Penny Duqueno...
Unsolicited commercial email is a significant problem for users and providers of email services. While statistical spam filters have proven useful, senders of spam are learning ...
Greylisting temporarily rejects mail from unknown sources on the theory that real mailers will retry while spamware won’t. I outline a taxonomy of greylisters and report some st...
Most proponents of domain authentication suggest combining domain authentication with reputation services. This paper presents a new learning algorithm for learning the reputation...
Barry Leiba, Joel Ossher, V. T. Rajan, Richard Seg...
To circumvent spam filters, many spammers attempt to obfuscate their emails by deliberately misspelling words or introducing other errors into the text. For example viagra may be...