Mining Negative Association Rules

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Provided by: Engg Journals Publications
Topic: Big Data
Format: PDF
Association rule mining is one of the most popular data mining techniques to find associations among items in a set by mining necessary patterns in a large database. Typical association rules consider only items enumerated in transactions. Such rules are referred to as positive association rules. Negative association rules also consider the same items, but in addition consider negated items (i.e. absent from transactions). Negative association rules are useful in market-basket analysis to identify products that conflict with each other or products that complement each other. They are also very useful for constructing associative classifiers. In this paper, the authors propose an algorithm that mines negative association rules by using conviction measure which does not require extra database scans.
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