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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국정보처리학회 JIPS(Journal of Information Processing Systems) JIPS(Journal of Information Processing Systems) 제13권 제4호
발행연도
2017.1
수록면
668 - 676 (9page)

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Recently, the importance of big data has been emphasized with the development of smartphone, web/SNS. Asa result, MapReduce, which can efficiently process big data, is receiving worldwide attention because of itsexcellent scalability and stability. Since big data has a large amount, fast creation speed, and variousproperties, it is more efficient to process big data summary information than big data itself. Wavelethistogram, which is a typical data summary information generation technique, can generate optimal datasummary information that does not cause loss of information of original data. Therefore, a system applying awavelet histogram generation technique based on MapReduce has been actively studied. However, existingresearch has a disadvantage in that the generation speed is slow because the wavelet histogram is generatedthrough one or more MapReduce Jobs. And there is a high possibility that the error of the data restored by thewavelet histogram becomes large. However, since the wavelet histogram generation system based on theMapReduce developed in this paper generates the wavelet histogram through one MapReduce Job, thegeneration speed can be greatly increased. In addition, since the wavelet histogram is generated by adjustingthe error boundary specified by the user, the error of the restored data can be adjusted from the wavelethistogram. Finally, we verified the efficiency of the wavelet histogram generation system developed in thispaper through performance evaluation.

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