Abstract
Data cubes come up with a suitable paradigm for storing, accessing, processing and analysis multidimensional data. Conventional Multidimensional Arrays (CMA) are the basic data structure to process such multidimensional data. But the performance of the MDAs degrades when the number of dimension increases. In this paper, we propose a new approach for computing multidimensional data cube using conversion of dimensions of the multidimensional array. We design efficient algorithms for Multidimensional On Line Analytical Processing (MOLAP) operations using the Converted two dimensional Array (C2A). We represent the MOLAP array as a Converted two dimensional Array where n-dimension is converted into two dimension. Then we apply the operations of data cube namely slice and dice on both CMA and C2A. We calculate the time for slice and dice operations for CMA and C2A. The proposed model requires less time for index computation when number of dimension is high. The cache miss rate is also lower for C2A based implementation. Therefore, our proposed algorithm shows superior performance than the traditional scheme.
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