To Apriori algorithm improvement and realization research
abstract:The traditional connection rule excavates the Apriori algorithm time expenses to be big,proposed excavates the ORAR algorithm based on the relational algebra theory connection rule,only must scan database one time using the relational matrix.Through the massive simulation experiment proved the improvement the ORAR algorithm is highly effective,reduced the excavation large number according to the centralism frequent item of collection running time.
Key word:Apriori; ORAR; Improvement; Relational matrix; Connection rule