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In this paper, a novel hybrid multi-objective optimization algorithm based on the nondominated sorting genetic algorithm II for large array thinning is presented. The iterative fast Fourier transform (IFFT) technique with a judge factor is introduced into the optimizer to accelerate the convergence. The global characteristics of a genetic algorithm show its optimization capability in the early phase...
In allusion to the problem that traditional flash translation layer cannot meet the requirement of the multichannel structure Solid-State Drive, considering the four-level parallelism existed in it, a region-based page level address mapping algorithm is proposed. The algorithm assigns continuous logical pages to different channels and divides the logical address into three different levels including...
Memory partitioning is widely adopted to efficiently increase the memory bandwidth by using multiple memory banks and reducing data access conflict. Previous methods for memory partitioning mainly focused on one-dimensional arrays. As a consequence, designers must flatten a multidimensional array to fit those methodologies. In this work we propose an automatic memory partitioning scheme for multidimensional...
The mobility and unlimitedness of data streams make the traditional frequent itemsets mining algorithm no longer applicable. In this paper, according to the characteristics of data streams, we propose a novel algorithm MFIBA(Mining Frequent Itemsets based on Bitwise AND) based on bitwise AND operation for mining frequent itemsets. This algorithm updates the sliding window with basic window, and maintains...
In order to recover the missing data in an information system, the paper proposed a new approach based on rough set to reduce the redundant attributes, discretize the continuous attributes and fill in the missing data. According to indiscernible relationship, discernible vector were defined and used the discernible vector addition rule to reduce attributes. And then, depending on the concept of super-club...
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