On the design of hardware-software architectures for frequent itemsets mining on data streams |
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Authors: | Lázaro Bustio-Martínez René Cumplido Raudel Hernández-León José M. Bande-Serrano Claudia Feregrino-Uribe |
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Affiliation: | 1.Computer Sciences Department,National Institute for Astrophysics, Optics, and Electronics,Sta. María Tonantzintla,México;2.Advanced Technologies Application Center,Playa,Cuba |
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Abstract: | Frequent Itemsets Mining has been applied in many data processing applications with remarkable results. Recently, data streams processing is gaining a lot of attention due to its practical applications. Data in data streams are transmitted at high rates and cannot be stored for offline processing making impractical to use traditional data mining approaches (such as Frequent Itemsets Mining) straightforwardly on data streams. In this paper, two single-pass parallel algorithms based on a tree data structure for Frequent Itemsets Mining on data streams are proposed. The presented algorithms employ Landmark and Sliding Window Models for windows handling. In the presented paper, as in other revised papers, if the number of frequent items on data streams is low then the proposed algorithms perform an exact mining process. On the contrary, if the number of frequent patterns is large the mining process is approximate with no false positives produced. Experiments conducted demonstrate that the presented algorithms outperform the processing time of the hardware architectures reported in the state-of-the-art. |
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