Volume 10 Number 10 (Oct. 2015)
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JSW 2015 Vol.10(10): 1127-1139 ISSN: 1796-217X
doi: 10.17706/jsw.10.10.1127-1139

Semantic Database Compression System Based on Augmented Vector Quantization

Saad M. Darwish1*, Saleh M. El-Kaffas2, Omar A. Abdulateef3
1Department of Information Technology, Institute of Graduate Studies and Research, Alexandria University, 163 Horreya Avenue, El-Shatby 21526, P.O. Box 832, Alexandria, Egypt.
2College of Computing & IT, Arab Academy for Science, Technology & Maritime Transport (AASTMT), Egypt.


Abstract—In the last years, that amount of data stored in databases has increased extremely with the widespread use of databases and the rapid adoption of information systems and data warehouse technologies. It is a challenge to store and recover this increased data in an efficient method. This challenge will potentially appeal in database systems for two causes: storage cost reduction and performance improvement. Lossy compression in databases can return better compression ratios than lossless compression in general, but is rarely used due to the concern of losing data. For relational databases, using standard compression techniques like Gzip or Zip don't take advantage of the relational properties; since these techniques don't look at the nature of the data. In this paper, we propose a database compression system that takes advantage of attributes semantics and data-mining models to find frequent attribute pattern with maximum gain to perform compression of massive table's data. Furthermore, the suggested system relies on augmented vector quantization (AVQ) algorithm to achieve lossless compression version without losing any information. Extensive experiments were conducted and the results indicate the superiority of the system with respect to previously known techniques.

Index Terms—Lossless database compression, semantic encoding, augmented vector quantization.

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Cite: Saad M. Darwish, Saleh M. El-Kaffas, Omar A. Abdulateef, "Semantic Database Compression System Based on Augmented Vector Quantization," Journal of Software vol. 10, no. 10, pp. 1127-1139, 2015.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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