Abstract
Generally, multidimensional data require a large amount of storage space. There are a few limits to store and manage those large amounts of data in single workstation. If we manage the data on parallel computing environment which is being actively researched these days, we can get highly improved performance. In this paper, we propose an efficient index structure for multidimensional data that exploits the parallel computing environment. The proposed index structure is constructed based on nP(processor)-n×mD(disk) architecture which is the hybrid type of nP-nD and 1P-nD. Its node structure increases fan-out and reduces the height of an index tree. Our proposed index structure gives a range search algorithm that maximizes I/O parallelism. The range search algorithm is applied to k-nearest neighbor queries. Through various experiments, it is shown that the proposed method outperforms other parallel index structures.
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Bok, K., Seo, D., Song, S., Kim, M., Yoo, J. (2005). An Index Structure for Parallel Processing of Multidimensional Data. In: Fan, W., Wu, Z., Yang, J. (eds) Advances in Web-Age Information Management. WAIM 2005. Lecture Notes in Computer Science, vol 3739. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11563952_51
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DOI: https://doi.org/10.1007/11563952_51
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-29227-2
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