Evaluation of Product Usability using Improved FP-Growth Frequent Itemset Algorithm and DSLC – FOA Algorithm for Alleviating Feature Fatigue
نویسندگان
چکیده
منابع مشابه
Concurrent Processing of Frequent Itemset Queries Using FP-Growth Algorithm
Discovery of frequent itemsets is a very important data mining problem with numerous applications. Frequent itemset mining is often regarded as advanced querying where a user specifies the source dataset and pattern constraints using a given constraint model. A significant amount of research on frequent itemset mining has been done so far, focusing mainly on developing faster complete mining al...
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The set of frequent closed itemsets determines exactly the complete set of all frequent itemsets and is usually much smaller than the latter. This paper proposes an improved algorithm for mining frequent closed itemsets. Firstly, the index array is proposed, which is used for discovering those items that always appear together. Then, by using bitmap, an algorithm for computing index array is pr...
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Rare association rule refers to an association rule forming between frequent and rare items or among rare items. CFPgrowth approach is used to mine frequent patterns using multiple minimum support (minsup) values. This approach is an extension of FP-growth approach to multiple minsup values. This approach involves construction of MIS-tree and generating frequent patterns from the MIS-tree. The ...
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In recent years, production of text documents has seen an exponential growth, which is the reason why their proper classification seems necessary for better access. One of the main problems of classifying text documents is working in high-dimensional feature space. Feature Selection (FS) is one of the ways to reduce the number of text attributes. So, working with a great bulk of the feature spa...
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A new scheme to parallelize frequent itemset mining algorithms is proposed. By using the extended conditional databases and k-prefix search space partitioning, our new scheme can create more parallel tasks with better balanced execution times. An implementation of the new scheme with FP-trees is presented. The results of the experimental evaluation showing the increased speedup are presented.
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ژورنال
عنوان ژورنال: International Journal of Advanced Science and Technology
سال: 2018
ISSN: 2005-4238,2005-4238
DOI: 10.14257/ijast.2018.117.14