This paper reports the participation of the University of Lisbon at the 2007 GeoCLEF task. We adopted a novel approach for GIR, focused on handling geographic features and feature ...
Nuno Cardoso, David Cruz, Marcirio Silveira Chaves...
We present NetSpy, a tool to automatically generate network-level signatures for spyware. NetSpy determines whether an untrusted program is spyware by correlating user input with ...
Abstract. Although widely used to reduce error rates of difficult pattern recognition problems, multiple classifier systems are not in widespread use in off-line signature verifica...
—The majority of security protocols employ public key cryptography for authentication at least in the connection setup phase. However, verifying digital signatures is an expensiv...
Abstract. As research in automatic signature generators (ASGs) receives more attention, various attacks against these systems are being identified. One of these attacks is the “...