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Clustering events on streams using complex context information

By Yongchul Kwon, Wing Yee Lee, Magdalena Balazinska and Guiping Xu

Abstract

Monitoring applications play an increasingly important role in many domains. They detect events in monitored systems and take actions such as invoke a program or notify an administrator. Often administrators must then manually investigate events to figure out the source of a problem. Stream processing engines (SPEs) are general purpose data management systems for monitoring applications. They provide low-latency stream processing but have limited or no support for manual event investigation. In this paper, we propose a new technique for an SPE to support event investigation by automatically classifying events on streams. Unlike previous stream clustering algorithms, our approach takes into account complex user-defined contexts for events. Our approach comprises three key components: an event context data model, a distance measure for event contexts, and an online clustering algorithm for event contexts. We evaluate our approach using synthetic data and show that complex context information can improve online event classification. 1

Year: 2008
OAI identifier: oai:CiteSeerX.psu:10.1.1.307.4592
Provided by: CiteSeerX
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