Automatic classification system and automatic classification method for Web comment viewpoint on the basis of association rule
A technology of automatic classification and rules, applied in the field of semantic processing
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[0031] In order to better understand the present invention, some basic concepts are firstly explained.
[0032] Confidence: Confidence reveals whether or not item B will appear when item A appears, or how likely it is to appear. If the degree of confidence is 100%, then A and B can be bundled for sale. If the confidence is too low, it means that the presence of A has little to do with the presence or absence of B.
[0033] Support: Support reveals the probability that item A and item B will appear at the same time. If the probability of A and B appearing at the same time is small, it means that A and B have little relationship; if A and B appear very frequently at the same time, it means that A and B are always related.
[0034]AD-Sup: AD-Sup can be regarded as a mean square error of support. In the above formula, Sup(t) i is the support number of entry t in category i, Sup(FS i ) j Refers to FS i The number of local supports in category j, while Ave(Sup(FS i )) is Sup(...
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