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Frequent itemsets mining is a crucial problem in the field of data mining. Although many related studies have been suggested, these algorithms may suffer from high computation cost and spatial complexity in dense database, especially when mining long frequent itemsets or support threshold is very lower. To address this problem, a new data structure called P Array is proposed. P Array makes use of...
A biodegradable controlled drug release microstructure with an array of micro chambers is a new kind of controlled drug delivery system which is made by biodegradable polymer. For a certain desired drug release profile, it is necessary to optimize the structure of the polymer device. In this study, a new mathematical model for a biodegradable controlled drug delivery system is presented by using Cellular...
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