120 search results - page 4 / 24 » Implicit Authentication through Learning User Behavior |
SOUPS
2010
ACM
15 years 1 months ago
2010
ACM
Text-based passwords are still the most commonly used authentication mechanism in information systems. We took advantage of a unique opportunity presented by a significant change...
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AAAI
1996
14 years 10 months ago
1996
Procedural representations of control policies have two advantages when facing the scale-up problem in learning tasks. First they are implicit, with potential for inductive genera...
FLAIRS
2001
14 years 11 months ago
2001
To successfully interact with users in providing useful information, intelligent user interfaces need a mechanism for recognizing, characterizing, and predicting user actions. In ...
KI
2002
Springer
14 years 9 months ago
2002
Springer
In this paper, we present an approach for learning interest profiles implicitly from positive user observations only. This approach eliminates the need to prompt users for ratings...
CIKM
2010
Springer
14 years 8 months ago
2010
Springer
We consider the problem of learning to rank relevant and novel documents so as to directly maximize a performance metric called Expected Global Utility (EGU), which has several de...