Efficient Vertical Mining of High Average-Utility Itemsets Based on Novel Upper-Bounds
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DOI: 10.1109/tkde.2018.2833478
Abstract: Mining High Average-Utility Itemsets (HAUIs) in a quantitative database is an extension of the traditional problem of frequent itemset mining, having several practical applications. Discovering HAUIs is more challenging than mining frequent itemsets using the… read more here.
Keywords: upper bounds; mining high; high average; mining ... See more keywords
Mining High-Efficiency Itemsets with Negative Utilities
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DOI: 10.3390/math13040659
Abstract: High-efficiency itemset mining has recently emerged as a new problem in itemset mining. An itemset is classified as a high-efficiency itemset if its utility-to-investment ratio meets or exceeds a specified efficiency threshold. The goal is… read more here.
Keywords: efficiency; negative utilities; mining high; efficiency itemsets ... See more keywords