2217 search results - page 76 / 444 » Learning from Collective Behavior |
ACSAC
2004
IEEE
14 years 24 days ago
2004
IEEE
One of the biggest obstacles faced by user command based anomaly detection techniques is the paucity of data. Gathering command data is a slow process often spanning months or yea...
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
Search and recommendation systems must include contextual information to effectively model users’ interests. In this paper, we present a systematic study of the effectiveness of...
ICML
2008
IEEE
14 years 9 months ago
2008
IEEE
The Support Vector Machine (SVM) is an acknowledged powerful tool for building classifiers, but it lacks flexibility, in the sense that the kernel is chosen prior to learning. Mul...
ICDM
2003
IEEE
14 years 2 months ago
2003
IEEE
We present a mixture model based approach for learning individualized behavior models for the Web users. We investigate the use of maximum entropy and Markov mixture models for ge...
ANSS
2006
IEEE
14 years 3 months ago
2006
IEEE
Anomaly detection systems largely depend on user profile data to be able to detect deviation from normal activity. Most of this profile data is based on commands executed by use...