132 search results - page 10 / 27 » Anomaly detection in data represented as graphs |
CCCG
2008
13 years 9 months ago
2008
Given a collection of points representing geographic data we consider the task of delineating boundaries based on the features of the points. Assuming that the features are binary...
KDD
2009
ACM
14 years 8 months ago
2009
ACM
Classifying nodes in networks is a task with a wide range of applications. It can be particularly useful in anomaly and fraud detection. Many resources are invested in the task of...
SDM
2007
SIAM
13 years 9 months ago
2007
SIAM
Given a large sparse graph, how can we find patterns and anomalies? Several important applications can be modeled as large sparse graphs, e.g., network traffic monitoring, resea...
SDM
2011
SIAM
12 years 10 months ago
2011
SIAM
This paper describes one of the first attempts to model the temporal structure of massive data streams in real-time using data stream clustering. Recently, many data stream clust...
MICCAI
2009
Springer
13 years 9 months ago
2009
Springer
We present a novel method for globally optimal surface segmentation of multiple mutually interacting objects, incorporating both edge and shape knowledge in a 3-D graph-theoretic a...