70 search results - page 4 / 14 » On rank tests for shift detection in time series |
KDD
2000
ACM
13 years 11 months ago
2000
ACM
Periodicy detection in time series data is a challenging problem of great importance in many applications. Most previous work focused on mining synchronous periodic patterns and d...
SIMPRA
2011
13 years 2 months ago
2011
We propose a method to detect the onset of linear trend in a time series and estimate the change point T from the profile of a linear trend test statistic, computed on consecutive...
IPPS
2007
IEEE
14 years 1 months ago
2007
IEEE
In the paper we present a new approach based on application of neural networks to detect SQL attacks. SQL attacks are those attacks that take advantage of using SQL statements to ...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Many practical data streams are typically composed of several states known as regimes. In this paper, we invoke phase space reconstruction methods from non-linear time series and ...
JASIS
2010
13 years 5 months ago
2010
Common measures of term importance in information retrieval (IR) rely on counts of term frequency; rare terms receive higher weight in document ranking than common terms receive. ...