A similarity measurement of customers purchase behaviors was proposed based on the sequence alignment method.

在序列对齐方法的基础上,提出了客户购买行为的相似比较标准.

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Then, to improve the retrieval performance, the similarity measurement is redefined using the moment invariant.

其次, 根据描述形状的不变矩,重新定义相似度测度,提高了检索的精度.

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The space of similarity measurement is N dimensions and the calculation is very large.

因此,相似性度量空间是n维的,计算量相当巨大.

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