33 search results - page 3 / 7 » Assumption-Free Anomaly Detection in Time Series |
BMCBI
2005
13 years 5 months ago
2005
Background: Periodic phenomena are widespread in biology. The problem of finding periodicity in biological time series can be viewed as a multiple hypothesis testing of the spectr...
KES
2007
Springer
13 years 11 months ago
2007
Springer
This paper introduces the problems associated with anomaly detection in a marine engine, and explains the benefits that the SAX representation brings to the field. Despite limita...
TKDE
2008
13 years 5 months ago
2008
With the advance of hardware and communication technologies, stream time series is gaining ever-increasing attention due to its importance in many applications such as financial da...
ICDCS
2007
IEEE
13 years 9 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...
WSDM
2012
ACM
12 years 26 days ago
2012
ACM
In this work we propose a novel approach to anomaly detection in streaming communication data. We first build a stochastic model for the system based on temporal communication pa...