Efficient Indexing for OLAP Query Processing with MapReduce

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dc.contributor.authorKang, Woo Lamko
dc.contributor.authorLee, Hyeon Gyuko
dc.contributor.authorLee, Yoon Joonko
dc.date.accessioned2016-04-15T03:14:20Z-
dc.date.available2016-04-15T03:14:20Z-
dc.date.created2014-11-24-
dc.date.created2014-11-24-
dc.date.issued2015-
dc.identifier.citationLecture Notes in Electrical Engineering, v.330, pp.783 - 788-
dc.identifier.issn1876-1100-
dc.identifier.urihttp://hdl.handle.net/10203/204067-
dc.description.abstractAs in the conventional databases, an index can be used to improve performance in MapReduce when processing OLAP queries with it. Regarding this, Hadoop++ suggested Trojan index to reduce network I/O by storing a partitioned data and its index together into a same data block, which is a data storage unit in MapReduce. However, this approach requires complex computation to put the data and index into the same block, from which index generation time can significantly increase. In this paper, we propose a new indexing method to resolve this issue. The basic idea of the proposed method is to insert the data and index into separate blocks, and force them to be co-located in the same node. Our experimental results show that the proposed method provides better performance than the existing indexing scheme, including the Trojan index.-
dc.languageEnglish-
dc.publisherSpringer-
dc.titleEfficient Indexing for OLAP Query Processing with MapReduce-
dc.typeArticle-
dc.type.rimsART-
dc.citation.volume330-
dc.citation.beginningpage783-
dc.citation.endingpage788-
dc.citation.publicationnameLecture Notes in Electrical Engineering-
dc.identifier.doi10.1007/978-3-662-45402-2_111-
dc.contributor.localauthorLee, Yoon Joon-
dc.contributor.nonIdAuthorLee, Hyeon Gyu-
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CS-Journal Papers(저널논문)
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