M-COPE: a multiple continuous query processing engine

Authors:
Hong Kyu Park;Se Jung Shin;Sang Hyuck Na;Won Suk Lee
Affiliations:
Yonsei University, Seoul, South Korea;Yonsei University, Seoul, South Korea;Yonsei University, Seoul, South Korea;Yonsei University, Seoul, South Korea
Venue:
Proceedings of the 18th ACM conference on Information and knowledge management
Year:
2009

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Abstract

A data stream management system (DSMS) should support an efficient evaluation scheme for long-running continuous queries over infinite data streams. This demonstration presents a scalable query processing engine, M-COPE (Multiple Continuous Query Processing Engine) developed to evaluate multiple continuous queries efficiently. A multiple query optimization scheme implemented in the system generates a single network of operations as an execution plan for registered queries in order to maximize the reuse of the intermediate results of common sub-expressions in the queries adaptively. In this paper, we describe the overall architecture of M-COPE along with its special features. Network traffic flow streams are used to demonstrate the main features of M-COPE.