Error correction method and device for search terms
An error correction method and search word technology, applied in the computer field, can solve the problems that the edit distance effect is not very good, and the relationship between replacement characters is not considered.
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[0026] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0027] As previously analyzed, the error correction scheme based on edit distance in the prior art does not consider the relationship between replacement characters, such as similar characters in form and characters in sound, nor does it consider the exchange operation between adjacent characters in a string. Therefore, this traditional edit distance effect is not ideal.
[0028] The embodiment of the present invention provides a search word error correction method and device based on the weighted edit distance, through the operation of deleting characters, inserting characters, replacing operations of near-form or phonetic characters, and replacing operations of near-form or phonetic characters As well as the operation of swappin...
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