543 search results - page 81 / 109 » Detecting anomalies in data streams using statecharts |
103
Voted
KDD
2007
ACM
15 years 10 months ago
2007
ACM
In some applications such as filling in a customer information form on the web, some missing values may not be explicitly represented as such, but instead appear as potentially va...
69
Voted
KDD
2003
ACM
15 years 10 months ago
2003
ACM
Defining outliers by their distance to neighboring examples is a popular approach to finding unusual examples in a data set. Recently, much work has been conducted with the goal o...
101
Voted
CVPR
2004
IEEE
15 years 11 months ago
2004
IEEE
Object detection with a learned classifier has been applied successfully to difficult tasks such as detecting faces and pedestrians. Systems using this approach usually learn the ...
ACSAC
2009
IEEE
15 years 4 months ago
2009
IEEE
Abstract—We present an efficient and robust stepping-stone detection scheme based on succinct packet-timing sketches of network flows. The proposed scheme employs an online alg...
ICDM
2006
IEEE
15 years 3 months ago
2006
IEEE
When monitoring sensory data (e.g., from a wearable device) the context oftentimes changes abruptly: people move from one situation (e.g., working quietly in their office) to ano...