نتایج جستجو برای: high average utility itemset

تعداد نتایج: 2450146  

2017
Divya

Mining high utility itemsets from a transactional database refers to the discovery of itemsets with high utility like profits. Frequent itemset mining (FIM) is one of the most fundamental problems in data mining. In this work, we propose a novel strategy based on the analysis of item co-occurrences to reduce the number of join operations that need to be performed (FHM: Faster High-Utility Miner...

2013
VENU MADHAV KUTHADI

Frequent itemset mining and association rule generation is a challenging task in data stream. Even though, various algorithms have been proposed to solve the issue, it has been found out that only frequency does not decides the significance interestingness of the mined itemset and hence the association rules. This accelerates the algorithms to mine the association rules based on utility i.e. pr...

2007
Dan Singer David J. Haglin Anna M. Manning

We perform a statistical analysis and describe the asymptotic behavior of the frequency and size distribution of δoccurrent, minimal δ-occurrent, and maximal δ-occurrent itemsets occurring in random datasets across the entire spectrum of δ. We also describe the probability distribution of the support of an n-element itemset in a random dataset. We find that for small values of δ relative to num...

2016
Philippe Fournier-Viger Chun-Wei Lin Cheng-Wei Wu Vincent S. Tseng Usef Faghihi

Mining high-utility itemsets (HUIs) is a key data mining task. It consists of discovering groups of items that yield a high profit in transaction databases. A major drawback of traditional high-utility itemset mining algorithms is that they can return a large number of HUIs. Analyzing a large result set can be very time-consuming for users. To address this issue, concise representations of high...

2014
Philippe Fournier-Viger Cheng-Wei Wu Souleymane Zida Vincent S. Tseng

High utility itemset mining is a challenging task in frequent pattern mining, which has wide applications. The state-of-the-art algorithm is HUI-Miner. It adopts a vertical representation and performs a depth-first search to discover patterns and calculate their utility without performing costly database scans. Although, this approach is effective, mining high-utility itemsets remains computati...

Journal: :Arabian journal for science and engineering 2021

The potential employability in different applications has garnered more significance for Periodic High-Utility Itemset Mining (PHUIM). It is to be noted that the conventional utility mining algorithms focus on an itemset’s value rather than of its periodicity transaction. A MEAN measure added minimum (MIN) and maximum (MAX) incorporate feature into PHUIM this proposed work. MEAN-periodicity bri...

Journal: :Eng. Appl. of AI 2016
Chun-Wei Lin Lu Yang Philippe Fournier-Viger Jimmy Ming-Thai Wu Tzung-Pei Hong Shyue-Liang Wang Justin Zhijun Zhan

High-utility itemset mining (HUIM) is a critical issue in recent years since it can be used to reveal the profitable products by considering both the quantity and profit factors instead of frequent itemset mining (FIM) or association-rule mining (ARM). Several algorithms have been presented to mine high-utility itemsets (HUIs) and most of the designed algorithms have to handle the exponential s...

2012
Parvinder S. Sandhu Dalvinder S. Dhaliwal S. N. Panda

Association rule mining has been an area of active research in the field of knowledge discovery and numerous algorithms have been developed to this end. Of late, data mining researchers have improved upon the quality of association rule mining for business development by incorporating the influential factors like value (utility), quantity of items sold (weight) and more, for the mining of assoc...

Journal: :Eng. Appl. of AI 2016
Chun-Wei Lin Tsu-Yang Wu Philippe Fournier-Viger Guo Lin Justin Zhijun Zhan Miroslav Voznak

High-Utility Itemset Mining (HUIM) is an extension of frequent itemset mining, which discovers itemsets yielding a high profit in transaction databases (HUIs). In recent years, a major issue that has arisen is that data publicly published or shared by organizations may lead to privacy threats since sensitive or confidential informationmay be uncovered by data mining techniques. To address this ...

2011
Ashish Gupta Akshay Mittal Arnab Bhattacharya

Itemset mining has been an active area of research due to its successful application in various data mining scenarios including finding association rules. Though most of the past work has been on finding frequent itemsets, infrequent itemset mining has demonstrated its utility in web mining, bioinformatics and other fields. In this paper, we propose a new algorithm based on the pattern-growth p...

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