NDLI: Configuring and Tuning an Environment-Aware Continuous Query Processor

Content Provider	IEEE Xplore Digital Library
Author	Kosecki, C. Gomes, J.S.
Copyright Year	2009
Abstract	Applications operating on streams of data are becoming more prevalent in the computing industry, especially as hardware allows it. Used in areas from security such as packet-sniffing intrusion detection software packages to the financial world attempting to model the stock market to map out future trends, algorithms for processing these unbounded streams are growing in necessity. Traditional database management systems fall short, as they are limited to bounded data. Therefore, stream management systems are required, as well as efficient algorithms. Furthermore, these algorithms must be agile and adaptive. This means that there can be no wasted processing time with overhead, as valuable data may be missed in the process. In this paper, we try to explore tradeoffs between performance and overhead in an effort to fine-tune the adaptivity parameters. Our experimental results show that a re-optimization interval of 1 second and re-optimization threshold of 90% work best in general. We also discovered that Fodp variants perform significantly better than XGreedyJoin under high stress scenario, which was undiscovered in our previous work.
Starting Page	211
Ending Page	215
File Size	347894
Page Count	5
File Format	PDF
ISBN	9780769535074
DOI	10.1109/CSIE.2009.951
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-03-31
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Continuous Query Query Optimization Data Streams Data security Parameter Configuration Software algorithms Application software Stress Software packages Intrusion detection Computer industry Hardware Database systems Stock markets
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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