72 search results - page 6 / 15 » Detection and Characterization of Anomalies in Multivariate ... |
VLDB
2005
ACM
14 years 29 days ago
2005
ACM
In this paper, we introduce SPIRIT (Streaming Pattern dIscoveRy in multIple Timeseries). Given n numerical data streams, all of whose values we observe at each time tick t, SPIRIT...
ITCC
2005
IEEE
14 years 1 months ago
2005
IEEE
Abstract: Evidence of some attacks can be manifested by abnormal sequences of system calls of programs. Most approaches that have been developed so far mainly concentrate on some p...
ICDCS
2007
IEEE
13 years 11 months ago
2007
IEEE
In recent work, we proposed D-Trigger, a framework for tracking a global condition over a large network that allows us to detect anomalies while only collecting a very limited amo...
ICDE
2006
IEEE
14 years 1 months ago
2006
IEEE
Fraud detection is of great importance to financial institutions. This paper is concerned with the problem of finding outliers in time series financial data using Peer Group Analy...
IV
2005
IEEE
14 years 1 months ago
2005
IEEE
We study the rhythmic organization of coupled nonlinear oscillators. If oscillators with non-identical internal frequency are coupled they generate a great variety of periodic and...