Pattern matching method and apparatus thereof
A pattern matching and pattern technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as waste of resources, discontinuity, and unsatisfactory processing speed, and achieve low resource consumption, improved efficiency, and reduced requirements. Effect
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[0045] Hereinafter, the present invention will be described in detail in conjunction with the accompanying drawings.
[0046] The principle of the mapping string pattern matching method of the present invention is to search keywords first, and finally find a matching pattern according to keyword matching, and both the pattern and the meta-keyword are stored in the mapping string.
[0047] First, all patterns are broken down into keywords, called meta-keys.
[0048] In the second step, additional information about schema relations for each keyword will be saved. The information about the schema relationship refers to the mapping relationship between the meta-keyword and the original schema, and this mapping relationship is embodied in the form of a mapping string. For example, the mapping string of metakey k is "1001 0100", which means that the third, fifth and eighth modes all include metakey k (assuming that the lowest bit of the sequence number is on the right). At least o...
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