Frequent substructure explore the intrinsic characteristics of the data and are relatively stable to database updates. Discriminative, frequent subtree_based indexing can improve dramatically the performance of subtree search.
频繁子结构能揭示数据的内在特性,对于数据库修改也很稳定,用有判别力的频繁子树为树数据库构造索引,能显著地提高子树查询的性能。
参考来源 - 挖掘序列模式和结构化模式的精简集·2,447,543篇论文数据,部分数据来源于NoteExpress
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